Home / 667,727.15-1,002,591.27-578,046.48

Finding the Fourth Proportional to 667,727.15, 1,002,591.27 and 578,046.48

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Solution

The fourth proportional to 667,727.15, 1,002,591.27 and 578,046.48 is: 867,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,727.15 : 1,002,591.27 = 578,046.48 : x
  2. Step 2: Convert to fraction form
    667,727.15/1,002,591.27 = 578,046.48/x
  3. Step 3: Cross multiply
    667,727.15x = 1,002,591.27 × 578,046.48
  4. Step 4: Simplify right side
    667,727.15x = 579,544,350,742.51
  5. Step 5: Solve for x
    x = 579,544,350,742.51/667,727.15
  6. Step 6: Final answer
    x = 867,935.89

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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.