Home / 839,665.85-1,260,029.12-440,593.02

Finding the Fourth Proportional to 839,665.85, 1,260,029.12 and 440,593.02

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Solution

The fourth proportional to 839,665.85, 1,260,029.12 and 440,593.02 is: 661,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,665.85 : 1,260,029.12 = 440,593.02 : x
  2. Step 2: Convert to fraction form
    839,665.85/1,260,029.12 = 440,593.02/x
  3. Step 3: Cross multiply
    839,665.85x = 1,260,029.12 × 440,593.02
  4. Step 4: Simplify right side
    839,665.85x = 555,160,033,065.78
  5. Step 5: Solve for x
    x = 555,160,033,065.78/839,665.85
  6. Step 6: Final answer
    x = 661,167.82

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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.