Home / 986,691.53-1,361,634.40-533,982.53

Finding the Fourth Proportional to 986,691.53, 1,361,634.40 and 533,982.53

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Solution

The fourth proportional to 986,691.53, 1,361,634.40 and 533,982.53 is: 736,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,691.53 : 1,361,634.40 = 533,982.53 : x
  2. Step 2: Convert to fraction form
    986,691.53/1,361,634.40 = 533,982.53/x
  3. Step 3: Cross multiply
    986,691.53x = 1,361,634.40 × 533,982.53
  4. Step 4: Simplify right side
    986,691.53x = 727,088,986,876.02
  5. Step 5: Solve for x
    x = 727,088,986,876.02/986,691.53
  6. Step 6: Final answer
    x = 736,895.94

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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.