Home / 588,733.20-883,099.80-545,430.60

Finding the Fourth Proportional to 588,733.20, 883,099.80 and 545,430.60

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Solution

The fourth proportional to 588,733.20, 883,099.80 and 545,430.60 is: 818,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,733.20 : 883,099.80 = 545,430.60 : x
  2. Step 2: Convert to fraction form
    588,733.20/883,099.80 = 545,430.60/x
  3. Step 3: Cross multiply
    588,733.20x = 883,099.80 × 545,430.60
  4. Step 4: Simplify right side
    588,733.20x = 481,669,653,773.88
  5. Step 5: Solve for x
    x = 481,669,653,773.88/588,733.20
  6. Step 6: Final answer
    x = 818,145.90

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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.