Home / 514,576.20-771,864.30-159,626.10

Finding the Fourth Proportional to 514,576.20, 771,864.30 and 159,626.10

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Solution

The fourth proportional to 514,576.20, 771,864.30 and 159,626.10 is: 239,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,576.20 : 771,864.30 = 159,626.10 : x
  2. Step 2: Convert to fraction form
    514,576.20/771,864.30 = 159,626.10/x
  3. Step 3: Cross multiply
    514,576.20x = 771,864.30 × 159,626.10
  4. Step 4: Simplify right side
    514,576.20x = 123,209,687,938.23
  5. Step 5: Solve for x
    x = 123,209,687,938.23/514,576.20
  6. Step 6: Final answer
    x = 239,439.15

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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.