Home / 928,161.59-1,392,243.49-254,248.71

Finding the Fourth Proportional to 928,161.59, 1,392,243.49 and 254,248.71

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Solution

The fourth proportional to 928,161.59, 1,392,243.49 and 254,248.71 is: 381,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,161.59 : 1,392,243.49 = 254,248.71 : x
  2. Step 2: Convert to fraction form
    928,161.59/1,392,243.49 = 254,248.71/x
  3. Step 3: Cross multiply
    928,161.59x = 1,392,243.49 × 254,248.71
  4. Step 4: Simplify right side
    928,161.59x = 353,976,111,338.40
  5. Step 5: Solve for x
    x = 353,976,111,338.40/928,161.59
  6. Step 6: Final answer
    x = 381,373.37

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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.