Home / 1,253,340.92-1,729,614-680,381.48

Finding the Fourth Proportional to 1,253,340.92, 1,729,614 and 680,381.48

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Solution

The fourth proportional to 1,253,340.92, 1,729,614 and 680,381.48 is: 938,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,340.92 : 1,729,614 = 680,381.48 : x
  2. Step 2: Convert to fraction form
    1,253,340.92/1,729,614 = 680,381.48/x
  3. Step 3: Cross multiply
    1,253,340.92x = 1,729,614 × 680,381.48
  4. Step 4: Simplify right side
    1,253,340.92x = 1,176,797,333,148.72
  5. Step 5: Solve for x
    x = 1,176,797,333,148.72/1,253,340.92
  6. Step 6: Final answer
    x = 938,928.36

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.