Home / 928,701.73-1,393,191.00-329,612.72

Finding the Fourth Proportional to 928,701.73, 1,393,191.00 and 329,612.72

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Solution

The fourth proportional to 928,701.73, 1,393,191.00 and 329,612.72 is: 494,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,701.73 : 1,393,191.00 = 329,612.72 : x
  2. Step 2: Convert to fraction form
    928,701.73/1,393,191.00 = 329,612.72/x
  3. Step 3: Cross multiply
    928,701.73x = 1,393,191.00 × 329,612.72
  4. Step 4: Simplify right side
    928,701.73x = 459,213,472,405.45
  5. Step 5: Solve for x
    x = 459,213,472,405.45/928,701.73
  6. Step 6: Final answer
    x = 494,468.20

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Double scale
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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.