Home / 527,601.15-728,046.50-298,179.18

Finding the Fourth Proportional to 527,601.15, 728,046.50 and 298,179.18

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Solution

The fourth proportional to 527,601.15, 728,046.50 and 298,179.18 is: 411,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,601.15 : 728,046.50 = 298,179.18 : x
  2. Step 2: Convert to fraction form
    527,601.15/728,046.50 = 298,179.18/x
  3. Step 3: Cross multiply
    527,601.15x = 728,046.50 × 298,179.18
  4. Step 4: Simplify right side
    527,601.15x = 217,088,306,880.97
  5. Step 5: Solve for x
    x = 217,088,306,880.97/527,601.15
  6. Step 6: Final answer
    x = 411,462.91

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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.