Home / 644,363.10-966,544.65-541,719.90

Finding the Fourth Proportional to 644,363.10, 966,544.65 and 541,719.90

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Solution

The fourth proportional to 644,363.10, 966,544.65 and 541,719.90 is: 812,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,363.10 : 966,544.65 = 541,719.90 : x
  2. Step 2: Convert to fraction form
    644,363.10/966,544.65 = 541,719.90/x
  3. Step 3: Cross multiply
    644,363.10x = 966,544.65 × 541,719.90
  4. Step 4: Simplify right side
    644,363.10x = 523,596,471,143.54
  5. Step 5: Solve for x
    x = 523,596,471,143.54/644,363.10
  6. Step 6: Final answer
    x = 812,579.85

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Double scale
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Similar ratio
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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.