Home / 1,067,130.79-1,600,578.27-268,412.65

Finding the Fourth Proportional to 1,067,130.79, 1,600,578.27 and 268,412.65

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Solution

The fourth proportional to 1,067,130.79, 1,600,578.27 and 268,412.65 is: 402,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,130.79 : 1,600,578.27 = 268,412.65 : x
  2. Step 2: Convert to fraction form
    1,067,130.79/1,600,578.27 = 268,412.65/x
  3. Step 3: Cross multiply
    1,067,130.79x = 1,600,578.27 × 268,412.65
  4. Step 4: Simplify right side
    1,067,130.79x = 429,615,454,983.12
  5. Step 5: Solve for x
    x = 429,615,454,983.12/1,067,130.79
  6. Step 6: Final answer
    x = 402,589.32

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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.