Home / 585,515.05-807,966.26-356,040.65

Finding the Fourth Proportional to 585,515.05, 807,966.26 and 356,040.65

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Solution

The fourth proportional to 585,515.05, 807,966.26 and 356,040.65 is: 491,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,515.05 : 807,966.26 = 356,040.65 : x
  2. Step 2: Convert to fraction form
    585,515.05/807,966.26 = 356,040.65/x
  3. Step 3: Cross multiply
    585,515.05x = 807,966.26 × 356,040.65
  4. Step 4: Simplify right side
    585,515.05x = 287,668,832,388.47
  5. Step 5: Solve for x
    x = 287,668,832,388.47/585,515.05
  6. Step 6: Final answer
    x = 491,309.04

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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.