Home / 558,944.60-838,416.90-534,450.20

Finding the Fourth Proportional to 558,944.60, 838,416.90 and 534,450.20

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Solution

The fourth proportional to 558,944.60, 838,416.90 and 534,450.20 is: 801,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,944.60 : 838,416.90 = 534,450.20 : x
  2. Step 2: Convert to fraction form
    558,944.60/838,416.90 = 534,450.20/x
  3. Step 3: Cross multiply
    558,944.60x = 838,416.90 × 534,450.20
  4. Step 4: Simplify right side
    558,944.60x = 448,092,079,888.38
  5. Step 5: Solve for x
    x = 448,092,079,888.38/558,944.60
  6. Step 6: Final answer
    x = 801,675.30

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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.