Home / 986,854.07-1,361,862.72-534,145.07

Finding the Fourth Proportional to 986,854.07, 1,361,862.72 and 534,145.07

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Solution

The fourth proportional to 986,854.07, 1,361,862.72 and 534,145.07 is: 737,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,854.07 : 1,361,862.72 = 534,145.07 : x
  2. Step 2: Convert to fraction form
    986,854.07/1,361,862.72 = 534,145.07/x
  3. Step 3: Cross multiply
    986,854.07x = 1,361,862.72 × 534,145.07
  4. Step 4: Simplify right side
    986,854.07x = 727,432,261,309.45
  5. Step 5: Solve for x
    x = 727,432,261,309.45/986,854.07
  6. Step 6: Final answer
    x = 737,122.42

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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.