Home / 656,177.20-984,265.80-406,999.60

Finding the Fourth Proportional to 656,177.20, 984,265.80 and 406,999.60

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Solution

The fourth proportional to 656,177.20, 984,265.80 and 406,999.60 is: 610,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,177.20 : 984,265.80 = 406,999.60 : x
  2. Step 2: Convert to fraction form
    656,177.20/984,265.80 = 406,999.60/x
  3. Step 3: Cross multiply
    656,177.20x = 984,265.80 × 406,999.60
  4. Step 4: Simplify right side
    656,177.20x = 400,595,786,893.68
  5. Step 5: Solve for x
    x = 400,595,786,893.68/656,177.20
  6. Step 6: Final answer
    x = 610,499.40

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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.