Home / 702,464.40-1,053,695.04-542,772.36

Finding the Fourth Proportional to 702,464.40, 1,053,695.04 and 542,772.36

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Solution

The fourth proportional to 702,464.40, 1,053,695.04 and 542,772.36 is: 814,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,464.40 : 1,053,695.04 = 542,772.36 : x
  2. Step 2: Convert to fraction form
    702,464.40/1,053,695.04 = 542,772.36/x
  3. Step 3: Cross multiply
    702,464.40x = 1,053,695.04 × 542,772.36
  4. Step 4: Simplify right side
    702,464.40x = 571,916,543,581.09
  5. Step 5: Solve for x
    x = 571,916,543,581.09/702,464.40
  6. Step 6: Final answer
    x = 814,157.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.