Home / 1,040,177.20-1,558,516.20-889,711.60

Finding the Fourth Proportional to 1,040,177.20, 1,558,516.20 and 889,711.60

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Solution

The fourth proportional to 1,040,177.20, 1,558,516.20 and 889,711.60 is: 1,333,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,177.20 : 1,558,516.20 = 889,711.60 : x
  2. Step 2: Convert to fraction form
    1,040,177.20/1,558,516.20 = 889,711.60/x
  3. Step 3: Cross multiply
    1,040,177.20x = 1,558,516.20 × 889,711.60
  4. Step 4: Simplify right side
    1,040,177.20x = 1,386,629,941,927.92
  5. Step 5: Solve for x
    x = 1,386,629,941,927.92/1,040,177.20
  6. Step 6: Final answer
    x = 1,333,070.89

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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.