Home / 588,910.20-883,365.30-389,455.80

Finding the Fourth Proportional to 588,910.20, 883,365.30 and 389,455.80

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Solution

The fourth proportional to 588,910.20, 883,365.30 and 389,455.80 is: 584,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,910.20 : 883,365.30 = 389,455.80 : x
  2. Step 2: Convert to fraction form
    588,910.20/883,365.30 = 389,455.80/x
  3. Step 3: Cross multiply
    588,910.20x = 883,365.30 × 389,455.80
  4. Step 4: Simplify right side
    588,910.20x = 344,031,739,603.74
  5. Step 5: Solve for x
    x = 344,031,739,603.74/588,910.20
  6. Step 6: Final answer
    x = 584,183.70

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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.