Home / 1,253,122.92-1,729,263.32-680,150.78

Finding the Fourth Proportional to 1,253,122.92, 1,729,263.32 and 680,150.78

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Solution

The fourth proportional to 1,253,122.92, 1,729,263.32 and 680,150.78 is: 938,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,122.92 : 1,729,263.32 = 680,150.78 : x
  2. Step 2: Convert to fraction form
    1,253,122.92/1,729,263.32 = 680,150.78/x
  3. Step 3: Cross multiply
    1,253,122.92x = 1,729,263.32 × 680,150.78
  4. Step 4: Simplify right side
    1,253,122.92x = 1,176,159,795,923.39
  5. Step 5: Solve for x
    x = 1,176,159,795,923.39/1,253,122.92
  6. Step 6: Final answer
    x = 938,582.94

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Double scale
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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.