Home / 627,337.20-865,660.26-369,198.71

Finding the Fourth Proportional to 627,337.20, 865,660.26 and 369,198.71

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Solution

The fourth proportional to 627,337.20, 865,660.26 and 369,198.71 is: 509,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,337.20 : 865,660.26 = 369,198.71 : x
  2. Step 2: Convert to fraction form
    627,337.20/865,660.26 = 369,198.71/x
  3. Step 3: Cross multiply
    627,337.20x = 865,660.26 × 369,198.71
  4. Step 4: Simplify right side
    627,337.20x = 319,600,651,592.68
  5. Step 5: Solve for x
    x = 319,600,651,592.68/627,337.20
  6. Step 6: Final answer
    x = 509,455.92

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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.