Home / 653,819.60-980,729.40-233,109.20

Finding the Fourth Proportional to 653,819.60, 980,729.40 and 233,109.20

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Solution

The fourth proportional to 653,819.60, 980,729.40 and 233,109.20 is: 349,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,819.60 : 980,729.40 = 233,109.20 : x
  2. Step 2: Convert to fraction form
    653,819.60/980,729.40 = 233,109.20/x
  3. Step 3: Cross multiply
    653,819.60x = 980,729.40 × 233,109.20
  4. Step 4: Simplify right side
    653,819.60x = 228,617,045,850.48
  5. Step 5: Solve for x
    x = 228,617,045,850.48/653,819.60
  6. Step 6: Final answer
    x = 349,663.80

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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.