Home / 587,540.06-810,732.75-358,013.72

Finding the Fourth Proportional to 587,540.06, 810,732.75 and 358,013.72

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Solution

The fourth proportional to 587,540.06, 810,732.75 and 358,013.72 is: 494,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,540.06 : 810,732.75 = 358,013.72 : x
  2. Step 2: Convert to fraction form
    587,540.06/810,732.75 = 358,013.72/x
  3. Step 3: Cross multiply
    587,540.06x = 810,732.75 × 358,013.72
  4. Step 4: Simplify right side
    587,540.06x = 290,253,448,437.61
  5. Step 5: Solve for x
    x = 290,253,448,437.61/587,540.06
  6. Step 6: Final answer
    x = 494,014.74

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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.