Home / 838,753.35-1,258,130.03-207,667.17

Finding the Fourth Proportional to 838,753.35, 1,258,130.03 and 207,667.17

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Solution

The fourth proportional to 838,753.35, 1,258,130.03 and 207,667.17 is: 311,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,753.35 : 1,258,130.03 = 207,667.17 : x
  2. Step 2: Convert to fraction form
    838,753.35/1,258,130.03 = 207,667.17/x
  3. Step 3: Cross multiply
    838,753.35x = 1,258,130.03 × 207,667.17
  4. Step 4: Simplify right side
    838,753.35x = 261,272,301,783.78
  5. Step 5: Solve for x
    x = 261,272,301,783.78/838,753.35
  6. Step 6: Final answer
    x = 311,500.76

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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.