Home / 1,121,046.09-1,547,076.29-611,781.27

Finding the Fourth Proportional to 1,121,046.09, 1,547,076.29 and 611,781.27

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Solution

The fourth proportional to 1,121,046.09, 1,547,076.29 and 611,781.27 is: 844,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,046.09 : 1,547,076.29 = 611,781.27 : x
  2. Step 2: Convert to fraction form
    1,121,046.09/1,547,076.29 = 611,781.27/x
  3. Step 3: Cross multiply
    1,121,046.09x = 1,547,076.29 × 611,781.27
  4. Step 4: Simplify right side
    1,121,046.09x = 946,472,294,424.18
  5. Step 5: Solve for x
    x = 946,472,294,424.18/1,121,046.09
  6. Step 6: Final answer
    x = 844,275.99

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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.