Home / 559,747.80-839,731.05-222,731.10

Finding the Fourth Proportional to 559,747.80, 839,731.05 and 222,731.10

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Solution

The fourth proportional to 559,747.80, 839,731.05 and 222,731.10 is: 334,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,747.80 : 839,731.05 = 222,731.10 : x
  2. Step 2: Convert to fraction form
    559,747.80/839,731.05 = 222,731.10/x
  3. Step 3: Cross multiply
    559,747.80x = 839,731.05 × 222,731.10
  4. Step 4: Simplify right side
    559,747.80x = 187,034,220,470.66
  5. Step 5: Solve for x
    x = 187,034,220,470.66/559,747.80
  6. Step 6: Final answer
    x = 334,140.16

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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.