Home / 623,711.20-935,566.80-203,029.60

Finding the Fourth Proportional to 623,711.20, 935,566.80 and 203,029.60

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Solution

The fourth proportional to 623,711.20, 935,566.80 and 203,029.60 is: 304,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,711.20 : 935,566.80 = 203,029.60 : x
  2. Step 2: Convert to fraction form
    623,711.20/935,566.80 = 203,029.60/x
  3. Step 3: Cross multiply
    623,711.20x = 935,566.80 × 203,029.60
  4. Step 4: Simplify right side
    623,711.20x = 189,947,753,177.28
  5. Step 5: Solve for x
    x = 189,947,753,177.28/623,711.20
  6. Step 6: Final answer
    x = 304,544.40

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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.