Home / 437,528.20-656,292.30-408,003.70

Finding the Fourth Proportional to 437,528.20, 656,292.30 and 408,003.70

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Solution

The fourth proportional to 437,528.20, 656,292.30 and 408,003.70 is: 612,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,528.20 : 656,292.30 = 408,003.70 : x
  2. Step 2: Convert to fraction form
    437,528.20/656,292.30 = 408,003.70/x
  3. Step 3: Cross multiply
    437,528.20x = 656,292.30 × 408,003.70
  4. Step 4: Simplify right side
    437,528.20x = 267,769,686,681.51
  5. Step 5: Solve for x
    x = 267,769,686,681.51/437,528.20
  6. Step 6: Final answer
    x = 612,005.55

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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.