Home / 1,141,578.78-1,711,041.93-431,154.78

Finding the Fourth Proportional to 1,141,578.78, 1,711,041.93 and 431,154.78

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Solution

The fourth proportional to 1,141,578.78, 1,711,041.93 and 431,154.78 is: 646,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,578.78 : 1,711,041.93 = 431,154.78 : x
  2. Step 2: Convert to fraction form
    1,141,578.78/1,711,041.93 = 431,154.78/x
  3. Step 3: Cross multiply
    1,141,578.78x = 1,711,041.93 × 431,154.78
  4. Step 4: Simplify right side
    1,141,578.78x = 737,723,906,899.93
  5. Step 5: Solve for x
    x = 737,723,906,899.93/1,141,578.78
  6. Step 6: Final answer
    x = 646,231.27

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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.