Home / 715,094.43-986,589.39-404,954.61

Finding the Fourth Proportional to 715,094.43, 986,589.39 and 404,954.61

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Solution

The fourth proportional to 715,094.43, 986,589.39 and 404,954.61 is: 558,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,094.43 : 986,589.39 = 404,954.61 : x
  2. Step 2: Convert to fraction form
    715,094.43/986,589.39 = 404,954.61/x
  3. Step 3: Cross multiply
    715,094.43x = 986,589.39 × 404,954.61
  4. Step 4: Simplify right side
    715,094.43x = 399,523,921,657.59
  5. Step 5: Solve for x
    x = 399,523,921,657.59/715,094.43
  6. Step 6: Final answer
    x = 558,700.93

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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.