Home / 1,331,130.60-1,995,335.10-656,173.80

Finding the Fourth Proportional to 1,331,130.60, 1,995,335.10 and 656,173.80

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Solution

The fourth proportional to 1,331,130.60, 1,995,335.10 and 656,173.80 is: 983,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,130.60 : 1,995,335.10 = 656,173.80 : x
  2. Step 2: Convert to fraction form
    1,331,130.60/1,995,335.10 = 656,173.80/x
  3. Step 3: Cross multiply
    1,331,130.60x = 1,995,335.10 × 656,173.80
  4. Step 4: Simplify right side
    1,331,130.60x = 1,309,286,614,840.38
  5. Step 5: Solve for x
    x = 1,309,286,614,840.38/1,331,130.60
  6. Step 6: Final answer
    x = 983,589.90

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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.