Home / 1,117,726.26-1,675,648.92-486,164.40

Finding the Fourth Proportional to 1,117,726.26, 1,675,648.92 and 486,164.40

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Solution

The fourth proportional to 1,117,726.26, 1,675,648.92 and 486,164.40 is: 728,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,726.26 : 1,675,648.92 = 486,164.40 : x
  2. Step 2: Convert to fraction form
    1,117,726.26/1,675,648.92 = 486,164.40/x
  3. Step 3: Cross multiply
    1,117,726.26x = 1,675,648.92 × 486,164.40
  4. Step 4: Simplify right side
    1,117,726.26x = 814,640,851,802.45
  5. Step 5: Solve for x
    x = 814,640,851,802.45/1,117,726.26
  6. Step 6: Final answer
    x = 728,837.53

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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.