Home / 1,581,411.45-2,182,338.63-856,244.19

Finding the Fourth Proportional to 1,581,411.45, 2,182,338.63 and 856,244.19

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Solution

The fourth proportional to 1,581,411.45, 2,182,338.63 and 856,244.19 is: 1,181,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,411.45 : 2,182,338.63 = 856,244.19 : x
  2. Step 2: Convert to fraction form
    1,581,411.45/2,182,338.63 = 856,244.19/x
  3. Step 3: Cross multiply
    1,581,411.45x = 2,182,338.63 × 856,244.19
  4. Step 4: Simplify right side
    1,581,411.45x = 1,868,614,772,550.06
  5. Step 5: Solve for x
    x = 1,868,614,772,550.06/1,581,411.45
  6. Step 6: Final answer
    x = 1,181,612.02

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Double scale
Find fourth proportional to 1,581,412.45, 2,182,340.01 and 856,245.19
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.