Home / 992,719.40-1,489,079.10-614,805.80

Finding the Fourth Proportional to 992,719.40, 1,489,079.10 and 614,805.80

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Solution

The fourth proportional to 992,719.40, 1,489,079.10 and 614,805.80 is: 922,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,719.40 : 1,489,079.10 = 614,805.80 : x
  2. Step 2: Convert to fraction form
    992,719.40/1,489,079.10 = 614,805.80/x
  3. Step 3: Cross multiply
    992,719.40x = 1,489,079.10 × 614,805.80
  4. Step 4: Simplify right side
    992,719.40x = 915,494,467,338.78
  5. Step 5: Solve for x
    x = 915,494,467,338.78/992,719.40
  6. Step 6: Final answer
    x = 922,208.70

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Similar ratio
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1.5x scale

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.