Home / 591,397.20-887,095.80-217,371.60

Finding the Fourth Proportional to 591,397.20, 887,095.80 and 217,371.60

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Solution

The fourth proportional to 591,397.20, 887,095.80 and 217,371.60 is: 326,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,397.20 : 887,095.80 = 217,371.60 : x
  2. Step 2: Convert to fraction form
    591,397.20/887,095.80 = 217,371.60/x
  3. Step 3: Cross multiply
    591,397.20x = 887,095.80 × 217,371.60
  4. Step 4: Simplify right side
    591,397.20x = 192,829,433,399.28
  5. Step 5: Solve for x
    x = 192,829,433,399.28/591,397.20
  6. Step 6: Final answer
    x = 326,057.40

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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.