Home / 457,332.10-685,998.15-448,584.10

Finding the Fourth Proportional to 457,332.10, 685,998.15 and 448,584.10

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Solution

The fourth proportional to 457,332.10, 685,998.15 and 448,584.10 is: 672,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,332.10 : 685,998.15 = 448,584.10 : x
  2. Step 2: Convert to fraction form
    457,332.10/685,998.15 = 448,584.10/x
  3. Step 3: Cross multiply
    457,332.10x = 685,998.15 × 448,584.10
  4. Step 4: Simplify right side
    457,332.10x = 307,727,862,719.42
  5. Step 5: Solve for x
    x = 307,727,862,719.42/457,332.10
  6. Step 6: Final answer
    x = 672,876.15

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Similar ratio
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1.5x scale

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.