Home / 516,003.36-773,946.56-178,981.76

Finding the Fourth Proportional to 516,003.36, 773,946.56 and 178,981.76

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Solution

The fourth proportional to 516,003.36, 773,946.56 and 178,981.76 is: 268,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,003.36 : 773,946.56 = 178,981.76 : x
  2. Step 2: Convert to fraction form
    516,003.36/773,946.56 = 178,981.76/x
  3. Step 3: Cross multiply
    516,003.36x = 773,946.56 × 178,981.76
  4. Step 4: Simplify right side
    516,003.36x = 138,522,317,454.75
  5. Step 5: Solve for x
    x = 138,522,317,454.75/516,003.36
  6. Step 6: Final answer
    x = 268,452.36

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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.