Home / 1,120,899.80-1,546,797.15-662,161.68

Finding the Fourth Proportional to 1,120,899.80, 1,546,797.15 and 662,161.68

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Solution

The fourth proportional to 1,120,899.80, 1,546,797.15 and 662,161.68 is: 913,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,899.80 : 1,546,797.15 = 662,161.68 : x
  2. Step 2: Convert to fraction form
    1,120,899.80/1,546,797.15 = 662,161.68/x
  3. Step 3: Cross multiply
    1,120,899.80x = 1,546,797.15 × 662,161.68
  4. Step 4: Simplify right side
    1,120,899.80x = 1,024,229,799,463.21
  5. Step 5: Solve for x
    x = 1,024,229,799,463.21/1,120,899.80
  6. Step 6: Final answer
    x = 913,756.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.