Home / 1,123,061.20-1,549,820.96-613,763.60

Finding the Fourth Proportional to 1,123,061.20, 1,549,820.96 and 613,763.60

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Solution

The fourth proportional to 1,123,061.20, 1,549,820.96 and 613,763.60 is: 846,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,061.20 : 1,549,820.96 = 613,763.60 : x
  2. Step 2: Convert to fraction form
    1,123,061.20/1,549,820.96 = 613,763.60/x
  3. Step 3: Cross multiply
    1,123,061.20x = 1,549,820.96 × 613,763.60
  4. Step 4: Simplify right side
    1,123,061.20x = 951,223,691,765.06
  5. Step 5: Solve for x
    x = 951,223,691,765.06/1,123,061.20
  6. Step 6: Final answer
    x = 846,991.86

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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.