Home / 517,979.74-776,969.61-185,789.02

Finding the Fourth Proportional to 517,979.74, 776,969.61 and 185,789.02

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Solution

The fourth proportional to 517,979.74, 776,969.61 and 185,789.02 is: 278,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,979.74 : 776,969.61 = 185,789.02 : x
  2. Step 2: Convert to fraction form
    517,979.74/776,969.61 = 185,789.02/x
  3. Step 3: Cross multiply
    517,979.74x = 776,969.61 × 185,789.02
  4. Step 4: Simplify right side
    517,979.74x = 144,352,422,411.68
  5. Step 5: Solve for x
    x = 144,352,422,411.68/517,979.74
  6. Step 6: Final answer
    x = 278,683.53

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Similar ratio
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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.