Home / 516,535.52-712,837.36-287,097.44

Finding the Fourth Proportional to 516,535.52, 712,837.36 and 287,097.44

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Solution

The fourth proportional to 516,535.52, 712,837.36 and 287,097.44 is: 396,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,535.52 : 712,837.36 = 287,097.44 : x
  2. Step 2: Convert to fraction form
    516,535.52/712,837.36 = 287,097.44/x
  3. Step 3: Cross multiply
    516,535.52x = 712,837.36 × 287,097.44
  4. Step 4: Simplify right side
    516,535.52x = 204,653,781,192.36
  5. Step 5: Solve for x
    x = 204,653,781,192.36/516,535.52
  6. Step 6: Final answer
    x = 396,204.66

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1.5x scale

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.