Home / 784,000.76-1,175,718.85-271,527.12

Finding the Fourth Proportional to 784,000.76, 1,175,718.85 and 271,527.12

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Solution

The fourth proportional to 784,000.76, 1,175,718.85 and 271,527.12 is: 407,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,000.76 : 1,175,718.85 = 271,527.12 : x
  2. Step 2: Convert to fraction form
    784,000.76/1,175,718.85 = 271,527.12/x
  3. Step 3: Cross multiply
    784,000.76x = 1,175,718.85 × 271,527.12
  4. Step 4: Simplify right side
    784,000.76x = 319,239,552,591.39
  5. Step 5: Solve for x
    x = 319,239,552,591.39/784,000.76
  6. Step 6: Final answer
    x = 407,192.91

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Double scale
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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.