Home / 982,488.26-1,355,760.78-552,685.52

Finding the Fourth Proportional to 982,488.26, 1,355,760.78 and 552,685.52

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Solution

The fourth proportional to 982,488.26, 1,355,760.78 and 552,685.52 is: 762,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,488.26 : 1,355,760.78 = 552,685.52 : x
  2. Step 2: Convert to fraction form
    982,488.26/1,355,760.78 = 552,685.52/x
  3. Step 3: Cross multiply
    982,488.26x = 1,355,760.78 × 552,685.52
  4. Step 4: Simplify right side
    982,488.26x = 749,309,351,689.91
  5. Step 5: Solve for x
    x = 749,309,351,689.91/982,488.26
  6. Step 6: Final answer
    x = 762,664.94

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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.