Home / 807,467.28-1,113,386.72-516,691.04

Finding the Fourth Proportional to 807,467.28, 1,113,386.72 and 516,691.04

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Solution

The fourth proportional to 807,467.28, 1,113,386.72 and 516,691.04 is: 712,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,467.28 : 1,113,386.72 = 516,691.04 : x
  2. Step 2: Convert to fraction form
    807,467.28/1,113,386.72 = 516,691.04/x
  3. Step 3: Cross multiply
    807,467.28x = 1,113,386.72 × 516,691.04
  4. Step 4: Simplify right side
    807,467.28x = 575,276,942,278.99
  5. Step 5: Solve for x
    x = 575,276,942,278.99/807,467.28
  6. Step 6: Final answer
    x = 712,446.13

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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.