Home / 435,649.20-653,174.10-222,003.60

Finding the Fourth Proportional to 435,649.20, 653,174.10 and 222,003.60

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Solution

The fourth proportional to 435,649.20, 653,174.10 and 222,003.60 is: 332,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,649.20 : 653,174.10 = 222,003.60 : x
  2. Step 2: Convert to fraction form
    435,649.20/653,174.10 = 222,003.60/x
  3. Step 3: Cross multiply
    435,649.20x = 653,174.10 × 222,003.60
  4. Step 4: Simplify right side
    435,649.20x = 145,007,001,626.76
  5. Step 5: Solve for x
    x = 145,007,001,626.76/435,649.20
  6. Step 6: Final answer
    x = 332,852.68

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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.