Home / 517,979.24-776,968.86-185,788.52

Finding the Fourth Proportional to 517,979.24, 776,968.86 and 185,788.52

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Solution

The fourth proportional to 517,979.24, 776,968.86 and 185,788.52 is: 278,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,979.24 : 776,968.86 = 185,788.52 : x
  2. Step 2: Convert to fraction form
    517,979.24/776,968.86 = 185,788.52/x
  3. Step 3: Cross multiply
    517,979.24x = 776,968.86 × 185,788.52
  4. Step 4: Simplify right side
    517,979.24x = 144,351,894,585.49
  5. Step 5: Solve for x
    x = 144,351,894,585.49/517,979.24
  6. Step 6: Final answer
    x = 278,682.78

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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.