Home / 1,228,218.01-1,694,947.57-712,277.80

Finding the Fourth Proportional to 1,228,218.01, 1,694,947.57 and 712,277.80

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Solution

The fourth proportional to 1,228,218.01, 1,694,947.57 and 712,277.80 is: 982,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,218.01 : 1,694,947.57 = 712,277.80 : x
  2. Step 2: Convert to fraction form
    1,228,218.01/1,694,947.57 = 712,277.80/x
  3. Step 3: Cross multiply
    1,228,218.01x = 1,694,947.57 × 712,277.80
  4. Step 4: Simplify right side
    1,228,218.01x = 1,207,273,520,256.88
  5. Step 5: Solve for x
    x = 1,207,273,520,256.88/1,228,218.01
  6. Step 6: Final answer
    x = 982,947.26

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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.