Home / 460,724.45-636,050.67-318,251.12

Finding the Fourth Proportional to 460,724.45, 636,050.67 and 318,251.12

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Solution

The fourth proportional to 460,724.45, 636,050.67 and 318,251.12 is: 439,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,724.45 : 636,050.67 = 318,251.12 : x
  2. Step 2: Convert to fraction form
    460,724.45/636,050.67 = 318,251.12/x
  3. Step 3: Cross multiply
    460,724.45x = 636,050.67 × 318,251.12
  4. Step 4: Simplify right side
    460,724.45x = 202,423,838,500.94
  5. Step 5: Solve for x
    x = 202,423,838,500.94/460,724.45
  6. Step 6: Final answer
    x = 439,359.88

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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.