Home / 521,136.40-781,704.60-184,557.10

Finding the Fourth Proportional to 521,136.40, 781,704.60 and 184,557.10

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Solution

The fourth proportional to 521,136.40, 781,704.60 and 184,557.10 is: 276,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,136.40 : 781,704.60 = 184,557.10 : x
  2. Step 2: Convert to fraction form
    521,136.40/781,704.60 = 184,557.10/x
  3. Step 3: Cross multiply
    521,136.40x = 781,704.60 × 184,557.10
  4. Step 4: Simplify right side
    521,136.40x = 144,269,134,032.66
  5. Step 5: Solve for x
    x = 144,269,134,032.66/521,136.40
  6. Step 6: Final answer
    x = 276,835.65

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Double scale
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Similar ratio
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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.