Home / 1,272,422.36-1,755,955.20-691,648.04

Finding the Fourth Proportional to 1,272,422.36, 1,755,955.20 and 691,648.04

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Solution

The fourth proportional to 1,272,422.36, 1,755,955.20 and 691,648.04 is: 954,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,422.36 : 1,755,955.20 = 691,648.04 : x
  2. Step 2: Convert to fraction form
    1,272,422.36/1,755,955.20 = 691,648.04/x
  3. Step 3: Cross multiply
    1,272,422.36x = 1,755,955.20 × 691,648.04
  4. Step 4: Simplify right side
    1,272,422.36x = 1,214,502,972,407.81
  5. Step 5: Solve for x
    x = 1,214,502,972,407.81/1,272,422.36
  6. Step 6: Final answer
    x = 954,481.00

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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.