Home / 986,748.78-1,361,717.31-534,039.66

Finding the Fourth Proportional to 986,748.78, 1,361,717.31 and 534,039.66

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Solution

The fourth proportional to 986,748.78, 1,361,717.31 and 534,039.66 is: 736,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,748.78 : 1,361,717.31 = 534,039.66 : x
  2. Step 2: Convert to fraction form
    986,748.78/1,361,717.31 = 534,039.66/x
  3. Step 3: Cross multiply
    986,748.78x = 1,361,717.31 × 534,039.66
  4. Step 4: Simplify right side
    986,748.78x = 727,211,049,248.52
  5. Step 5: Solve for x
    x = 727,211,049,248.52/986,748.78
  6. Step 6: Final answer
    x = 736,976.89

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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.