Home / 578,747.30-868,121.01-241,603.97

Finding the Fourth Proportional to 578,747.30, 868,121.01 and 241,603.97

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Solution

The fourth proportional to 578,747.30, 868,121.01 and 241,603.97 is: 362,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,747.30 : 868,121.01 = 241,603.97 : x
  2. Step 2: Convert to fraction form
    578,747.30/868,121.01 = 241,603.97/x
  3. Step 3: Cross multiply
    578,747.30x = 868,121.01 × 241,603.97
  4. Step 4: Simplify right side
    578,747.30x = 209,741,478,115.81
  5. Step 5: Solve for x
    x = 209,741,478,115.81/578,747.30
  6. Step 6: Final answer
    x = 362,405.98

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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.