Home / 923,542.53-1,385,521.56-324,545.10

Finding the Fourth Proportional to 923,542.53, 1,385,521.56 and 324,545.10

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Solution

The fourth proportional to 923,542.53, 1,385,521.56 and 324,545.10 is: 486,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,542.53 : 1,385,521.56 = 324,545.10 : x
  2. Step 2: Convert to fraction form
    923,542.53/1,385,521.56 = 324,545.10/x
  3. Step 3: Cross multiply
    923,542.53x = 1,385,521.56 × 324,545.10
  4. Step 4: Simplify right side
    923,542.53x = 449,664,233,242.36
  5. Step 5: Solve for x
    x = 449,664,233,242.36/923,542.53
  6. Step 6: Final answer
    x = 486,890.66

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Half scale
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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.