Home / 526,516.20-789,774.30-171,566.10

Finding the Fourth Proportional to 526,516.20, 789,774.30 and 171,566.10

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Solution

The fourth proportional to 526,516.20, 789,774.30 and 171,566.10 is: 257,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,516.20 : 789,774.30 = 171,566.10 : x
  2. Step 2: Convert to fraction form
    526,516.20/789,774.30 = 171,566.10/x
  3. Step 3: Cross multiply
    526,516.20x = 789,774.30 × 171,566.10
  4. Step 4: Simplify right side
    526,516.20x = 135,498,496,531.23
  5. Step 5: Solve for x
    x = 135,498,496,531.23/526,516.20
  6. Step 6: Final answer
    x = 257,349.15

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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.