Home / 1,121,151.27-1,547,167.18-611,857.29

Finding the Fourth Proportional to 1,121,151.27, 1,547,167.18 and 611,857.29

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Solution

The fourth proportional to 1,121,151.27, 1,547,167.18 and 611,857.29 is: 844,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,151.27 : 1,547,167.18 = 611,857.29 : x
  2. Step 2: Convert to fraction form
    1,121,151.27/1,547,167.18 = 611,857.29/x
  3. Step 3: Cross multiply
    1,121,151.27x = 1,547,167.18 × 611,857.29
  4. Step 4: Simplify right side
    1,121,151.27x = 946,645,523,351.21
  5. Step 5: Solve for x
    x = 946,645,523,351.21/1,121,151.27
  6. Step 6: Final answer
    x = 844,351.29

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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.