Home / 487,998.27-673,451.85-273,132.81

Finding the Fourth Proportional to 487,998.27, 673,451.85 and 273,132.81

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Solution

The fourth proportional to 487,998.27, 673,451.85 and 273,132.81 is: 376,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,998.27 : 673,451.85 = 273,132.81 : x
  2. Step 2: Convert to fraction form
    487,998.27/673,451.85 = 273,132.81/x
  3. Step 3: Cross multiply
    487,998.27x = 673,451.85 × 273,132.81
  4. Step 4: Simplify right side
    487,998.27x = 183,941,796,190.20
  5. Step 5: Solve for x
    x = 183,941,796,190.20/487,998.27
  6. Step 6: Final answer
    x = 376,931.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.