Home / 584,540.70-876,811.05-385,086.30

Finding the Fourth Proportional to 584,540.70, 876,811.05 and 385,086.30

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Solution

The fourth proportional to 584,540.70, 876,811.05 and 385,086.30 is: 577,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,540.70 : 876,811.05 = 385,086.30 : x
  2. Step 2: Convert to fraction form
    584,540.70/876,811.05 = 385,086.30/x
  3. Step 3: Cross multiply
    584,540.70x = 876,811.05 × 385,086.30
  4. Step 4: Simplify right side
    584,540.70x = 337,647,923,043.62
  5. Step 5: Solve for x
    x = 337,647,923,043.62/584,540.70
  6. Step 6: Final answer
    x = 577,629.45

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Half scale
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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.