Home / 928,651.14-1,392,976.71-613,034.10

Finding the Fourth Proportional to 928,651.14, 1,392,976.71 and 613,034.10

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Solution

The fourth proportional to 928,651.14, 1,392,976.71 and 613,034.10 is: 919,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,651.14 : 1,392,976.71 = 613,034.10 : x
  2. Step 2: Convert to fraction form
    928,651.14/1,392,976.71 = 613,034.10/x
  3. Step 3: Cross multiply
    928,651.14x = 1,392,976.71 × 613,034.10
  4. Step 4: Simplify right side
    928,651.14x = 853,942,223,735.81
  5. Step 5: Solve for x
    x = 853,942,223,735.81/928,651.14
  6. Step 6: Final answer
    x = 919,551.15

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Double scale
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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.