Home / 1,131,976.71-1,697,748.34-439,543.65

Finding the Fourth Proportional to 1,131,976.71, 1,697,748.34 and 439,543.65

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Solution

The fourth proportional to 1,131,976.71, 1,697,748.34 and 439,543.65 is: 659,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,976.71 : 1,697,748.34 = 439,543.65 : x
  2. Step 2: Convert to fraction form
    1,131,976.71/1,697,748.34 = 439,543.65/x
  3. Step 3: Cross multiply
    1,131,976.71x = 1,697,748.34 × 439,543.65
  4. Step 4: Simplify right side
    1,131,976.71x = 746,234,502,145.04
  5. Step 5: Solve for x
    x = 746,234,502,145.04/1,131,976.71
  6. Step 6: Final answer
    x = 659,231.32

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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.