Home / 923,436.72-1,385,593.92-639,564.12

Finding the Fourth Proportional to 923,436.72, 1,385,593.92 and 639,564.12

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Solution

The fourth proportional to 923,436.72, 1,385,593.92 and 639,564.12 is: 959,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,436.72 : 1,385,593.92 = 639,564.12 : x
  2. Step 2: Convert to fraction form
    923,436.72/1,385,593.92 = 639,564.12/x
  3. Step 3: Cross multiply
    923,436.72x = 1,385,593.92 × 639,564.12
  4. Step 4: Simplify right side
    923,436.72x = 886,176,156,122.15
  5. Step 5: Solve for x
    x = 886,176,156,122.15/923,436.72
  6. Step 6: Final answer
    x = 959,650.12

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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.