Home / 986,233.80-1,479,350.70-912,422.55

Finding the Fourth Proportional to 986,233.80, 1,479,350.70 and 912,422.55

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Solution

The fourth proportional to 986,233.80, 1,479,350.70 and 912,422.55 is: 1,368,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,233.80 : 1,479,350.70 = 912,422.55 : x
  2. Step 2: Convert to fraction form
    986,233.80/1,479,350.70 = 912,422.55/x
  3. Step 3: Cross multiply
    986,233.80x = 1,479,350.70 × 912,422.55
  4. Step 4: Simplify right side
    986,233.80x = 1,349,792,938,038.28
  5. Step 5: Solve for x
    x = 1,349,792,938,038.28/986,233.80
  6. Step 6: Final answer
    x = 1,368,633.83

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Similar ratio
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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.