Home / 1,112,758.65-1,669,119.84-354,589.95

Finding the Fourth Proportional to 1,112,758.65, 1,669,119.84 and 354,589.95

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Solution

The fourth proportional to 1,112,758.65, 1,669,119.84 and 354,589.95 is: 531,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,758.65 : 1,669,119.84 = 354,589.95 : x
  2. Step 2: Convert to fraction form
    1,112,758.65/1,669,119.84 = 354,589.95/x
  3. Step 3: Cross multiply
    1,112,758.65x = 1,669,119.84 × 354,589.95
  4. Step 4: Simplify right side
    1,112,758.65x = 591,853,120,609.61
  5. Step 5: Solve for x
    x = 591,853,120,609.61/1,112,758.65
  6. Step 6: Final answer
    x = 531,879.15

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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.