Home / 1,127,131.61-1,691,251.86-527,989.19

Finding the Fourth Proportional to 1,127,131.61, 1,691,251.86 and 527,989.19

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Solution

The fourth proportional to 1,127,131.61, 1,691,251.86 and 527,989.19 is: 792,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,131.61 : 1,691,251.86 = 527,989.19 : x
  2. Step 2: Convert to fraction form
    1,127,131.61/1,691,251.86 = 527,989.19/x
  3. Step 3: Cross multiply
    1,127,131.61x = 1,691,251.86 × 527,989.19
  4. Step 4: Simplify right side
    1,127,131.61x = 892,962,699,647.39
  5. Step 5: Solve for x
    x = 892,962,699,647.39/1,127,131.61
  6. Step 6: Final answer
    x = 792,243.51

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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.