Home / 497,565.72-686,098.06-336,140.48

Finding the Fourth Proportional to 497,565.72, 686,098.06 and 336,140.48

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Solution

The fourth proportional to 497,565.72, 686,098.06 and 336,140.48 is: 463,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,565.72 : 686,098.06 = 336,140.48 : x
  2. Step 2: Convert to fraction form
    497,565.72/686,098.06 = 336,140.48/x
  3. Step 3: Cross multiply
    497,565.72x = 686,098.06 × 336,140.48
  4. Step 4: Simplify right side
    497,565.72x = 230,625,331,215.47
  5. Step 5: Solve for x
    x = 230,625,331,215.47/497,565.72
  6. Step 6: Final answer
    x = 463,507.28

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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.