Home / 889,932.32-1,333,343.28-741,129.92

Finding the Fourth Proportional to 889,932.32, 1,333,343.28 and 741,129.92

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Solution

The fourth proportional to 889,932.32, 1,333,343.28 and 741,129.92 is: 1,110,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,932.32 : 1,333,343.28 = 741,129.92 : x
  2. Step 2: Convert to fraction form
    889,932.32/1,333,343.28 = 741,129.92/x
  3. Step 3: Cross multiply
    889,932.32x = 1,333,343.28 × 741,129.92
  4. Step 4: Simplify right side
    889,932.32x = 988,180,598,438.94
  5. Step 5: Solve for x
    x = 988,180,598,438.94/889,932.32
  6. Step 6: Final answer
    x = 1,110,399.72

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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.