Home / 986,620.01-1,479,330.73-386,862.61

Finding the Fourth Proportional to 986,620.01, 1,479,330.73 and 386,862.61

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Solution

The fourth proportional to 986,620.01, 1,479,330.73 and 386,862.61 is: 580,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,620.01 : 1,479,330.73 = 386,862.61 : x
  2. Step 2: Convert to fraction form
    986,620.01/1,479,330.73 = 386,862.61/x
  3. Step 3: Cross multiply
    986,620.01x = 1,479,330.73 × 386,862.61
  4. Step 4: Simplify right side
    986,620.01x = 572,297,747,261.01
  5. Step 5: Solve for x
    x = 572,297,747,261.01/986,620.01
  6. Step 6: Final answer
    x = 580,058.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.