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Finding the Fourth Proportional to 1,364,771, 1,882,775.40 and 791,478.92

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Solution

The fourth proportional to 1,364,771, 1,882,775.40 and 791,478.92 is: 1,091,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,771 : 1,882,775.40 = 791,478.92 : x
  2. Step 2: Convert to fraction form
    1,364,771/1,882,775.40 = 791,478.92/x
  3. Step 3: Cross multiply
    1,364,771x = 1,882,775.40 × 791,478.92
  4. Step 4: Simplify right side
    1,364,771x = 1,490,177,040,194.57
  5. Step 5: Solve for x
    x = 1,490,177,040,194.57/1,364,771
  6. Step 6: Final answer
    x = 1,091,887.97

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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.