Home / 1,120,645.41-1,546,515.23-611,347.38

Finding the Fourth Proportional to 1,120,645.41, 1,546,515.23 and 611,347.38

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Solution

The fourth proportional to 1,120,645.41, 1,546,515.23 and 611,347.38 is: 843,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,645.41 : 1,546,515.23 = 611,347.38 : x
  2. Step 2: Convert to fraction form
    1,120,645.41/1,546,515.23 = 611,347.38/x
  3. Step 3: Cross multiply
    1,120,645.41x = 1,546,515.23 × 611,347.38
  4. Step 4: Simplify right side
    1,120,645.41x = 945,458,030,933.86
  5. Step 5: Solve for x
    x = 945,458,030,933.86/1,120,645.41
  6. Step 6: Final answer
    x = 843,672.78

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Double scale
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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.