Home / 945,508.80-1,418,525.62-525,079.92

Finding the Fourth Proportional to 945,508.80, 1,418,525.62 and 525,079.92

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Solution

The fourth proportional to 945,508.80, 1,418,525.62 and 525,079.92 is: 787,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,508.80 : 1,418,525.62 = 525,079.92 : x
  2. Step 2: Convert to fraction form
    945,508.80/1,418,525.62 = 525,079.92/x
  3. Step 3: Cross multiply
    945,508.80x = 1,418,525.62 × 525,079.92
  4. Step 4: Simplify right side
    945,508.80x = 744,839,319,067.55
  5. Step 5: Solve for x
    x = 744,839,319,067.55/945,508.80
  6. Step 6: Final answer
    x = 787,765.61

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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.