Home / 863,391.60-1,295,087.40-826,066.80

Finding the Fourth Proportional to 863,391.60, 1,295,087.40 and 826,066.80

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Solution

The fourth proportional to 863,391.60, 1,295,087.40 and 826,066.80 is: 1,239,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,391.60 : 1,295,087.40 = 826,066.80 : x
  2. Step 2: Convert to fraction form
    863,391.60/1,295,087.40 = 826,066.80/x
  3. Step 3: Cross multiply
    863,391.60x = 1,295,087.40 × 826,066.80
  4. Step 4: Simplify right side
    863,391.60x = 1,069,828,704,238.32
  5. Step 5: Solve for x
    x = 1,069,828,704,238.32/863,391.60
  6. Step 6: Final answer
    x = 1,239,100.20

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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.