Home / 776,642.97-1,164,422.82-344,125.19

Finding the Fourth Proportional to 776,642.97, 1,164,422.82 and 344,125.19

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Solution

The fourth proportional to 776,642.97, 1,164,422.82 and 344,125.19 is: 515,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,642.97 : 1,164,422.82 = 344,125.19 : x
  2. Step 2: Convert to fraction form
    776,642.97/1,164,422.82 = 344,125.19/x
  3. Step 3: Cross multiply
    776,642.97x = 1,164,422.82 × 344,125.19
  4. Step 4: Simplify right side
    776,642.97x = 400,707,218,350.72
  5. Step 5: Solve for x
    x = 400,707,218,350.72/776,642.97
  6. Step 6: Final answer
    x = 515,947.78

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Double scale
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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.