Home / 730,337.64-1,007,863.26-403,641.48

Finding the Fourth Proportional to 730,337.64, 1,007,863.26 and 403,641.48

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Solution

The fourth proportional to 730,337.64, 1,007,863.26 and 403,641.48 is: 557,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,337.64 : 1,007,863.26 = 403,641.48 : x
  2. Step 2: Convert to fraction form
    730,337.64/1,007,863.26 = 403,641.48/x
  3. Step 3: Cross multiply
    730,337.64x = 1,007,863.26 × 403,641.48
  4. Step 4: Simplify right side
    730,337.64x = 406,815,417,904.03
  5. Step 5: Solve for x
    x = 406,815,417,904.03/730,337.64
  6. Step 6: Final answer
    x = 557,023.76

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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.