Home / 1,062,173.87-1,593,925.11-431,087.68

Finding the Fourth Proportional to 1,062,173.87, 1,593,925.11 and 431,087.68

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Solution

The fourth proportional to 1,062,173.87, 1,593,925.11 and 431,087.68 is: 646,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,173.87 : 1,593,925.11 = 431,087.68 : x
  2. Step 2: Convert to fraction form
    1,062,173.87/1,593,925.11 = 431,087.68/x
  3. Step 3: Cross multiply
    1,062,173.87x = 1,593,925.11 × 431,087.68
  4. Step 4: Simplify right side
    1,062,173.87x = 687,121,469,794.02
  5. Step 5: Solve for x
    x = 687,121,469,794.02/1,062,173.87
  6. Step 6: Final answer
    x = 646,901.13

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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.