Home / 1,120,550.82-1,546,358.29-611,253.19

Finding the Fourth Proportional to 1,120,550.82, 1,546,358.29 and 611,253.19

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Solution

The fourth proportional to 1,120,550.82, 1,546,358.29 and 611,253.19 is: 843,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,550.82 : 1,546,358.29 = 611,253.19 : x
  2. Step 2: Convert to fraction form
    1,120,550.82/1,546,358.29 = 611,253.19/x
  3. Step 3: Cross multiply
    1,120,550.82x = 1,546,358.29 × 611,253.19
  4. Step 4: Simplify right side
    1,120,550.82x = 945,216,437,645.45
  5. Step 5: Solve for x
    x = 945,216,437,645.45/1,120,550.82
  6. Step 6: Final answer
    x = 843,528.40

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Half scale
Find fourth proportional to 2,241,101.64, 3,092,716.58 and 1,222,506.38
Double scale
Find fourth proportional to 1,120,551.82, 1,546,359.67 and 611,254.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.