Home / 623,743.20-935,614.80-224,445.60

Finding the Fourth Proportional to 623,743.20, 935,614.80 and 224,445.60

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Solution

The fourth proportional to 623,743.20, 935,614.80 and 224,445.60 is: 336,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,743.20 : 935,614.80 = 224,445.60 : x
  2. Step 2: Convert to fraction form
    623,743.20/935,614.80 = 224,445.60/x
  3. Step 3: Cross multiply
    623,743.20x = 935,614.80 × 224,445.60
  4. Step 4: Simplify right side
    623,743.20x = 209,994,625,154.88
  5. Step 5: Solve for x
    x = 209,994,625,154.88/623,743.20
  6. Step 6: Final answer
    x = 336,668.40

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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.