Home / 547,951.40-821,927.10-415,091.15

Finding the Fourth Proportional to 547,951.40, 821,927.10 and 415,091.15

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Solution

The fourth proportional to 547,951.40, 821,927.10 and 415,091.15 is: 622,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,951.40 : 821,927.10 = 415,091.15 : x
  2. Step 2: Convert to fraction form
    547,951.40/821,927.10 = 415,091.15/x
  3. Step 3: Cross multiply
    547,951.40x = 821,927.10 × 415,091.15
  4. Step 4: Simplify right side
    547,951.40x = 341,174,665,155.17
  5. Step 5: Solve for x
    x = 341,174,665,155.17/547,951.40
  6. Step 6: Final answer
    x = 622,636.73

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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.