Home / 1,253,986.75-1,730,521.71-681,026.89

Finding the Fourth Proportional to 1,253,986.75, 1,730,521.71 and 681,026.89

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Solution

The fourth proportional to 1,253,986.75, 1,730,521.71 and 681,026.89 is: 939,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,986.75 : 1,730,521.71 = 681,026.89 : x
  2. Step 2: Convert to fraction form
    1,253,986.75/1,730,521.71 = 681,026.89/x
  3. Step 3: Cross multiply
    1,253,986.75x = 1,730,521.71 × 681,026.89
  4. Step 4: Simplify right side
    1,253,986.75x = 1,178,531,818,238.78
  5. Step 5: Solve for x
    x = 1,178,531,818,238.78/1,253,986.75
  6. Step 6: Final answer
    x = 939,827.97

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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.