Home / 1,177,644.60-1,769,091.30-1,129,822.20

Finding the Fourth Proportional to 1,177,644.60, 1,769,091.30 and 1,129,822.20

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Solution

The fourth proportional to 1,177,644.60, 1,769,091.30 and 1,129,822.20 is: 1,697,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,644.60 : 1,769,091.30 = 1,129,822.20 : x
  2. Step 2: Convert to fraction form
    1,177,644.60/1,769,091.30 = 1,129,822.20/x
  3. Step 3: Cross multiply
    1,177,644.60x = 1,769,091.30 × 1,129,822.20
  4. Step 4: Simplify right side
    1,177,644.60x = 1,998,758,624,566.86
  5. Step 5: Solve for x
    x = 1,998,758,624,566.86/1,177,644.60
  6. Step 6: Final answer
    x = 1,697,251.13

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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.