Home / 694,644.60-1,041,966.90-221,364.60

Finding the Fourth Proportional to 694,644.60, 1,041,966.90 and 221,364.60

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Solution

The fourth proportional to 694,644.60, 1,041,966.90 and 221,364.60 is: 332,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,644.60 : 1,041,966.90 = 221,364.60 : x
  2. Step 2: Convert to fraction form
    694,644.60/1,041,966.90 = 221,364.60/x
  3. Step 3: Cross multiply
    694,644.60x = 1,041,966.90 × 221,364.60
  4. Step 4: Simplify right side
    694,644.60x = 230,654,586,031.74
  5. Step 5: Solve for x
    x = 230,654,586,031.74/694,644.60
  6. Step 6: Final answer
    x = 332,046.90

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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.