Home / 1,250,911.84-1,726,211.90-677,939.72

Finding the Fourth Proportional to 1,250,911.84, 1,726,211.90 and 677,939.72

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Solution

The fourth proportional to 1,250,911.84, 1,726,211.90 and 677,939.72 is: 935,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,911.84 : 1,726,211.90 = 677,939.72 : x
  2. Step 2: Convert to fraction form
    1,250,911.84/1,726,211.90 = 677,939.72/x
  3. Step 3: Cross multiply
    1,250,911.84x = 1,726,211.90 × 677,939.72
  4. Step 4: Simplify right side
    1,250,911.84x = 1,170,267,612,146.67
  5. Step 5: Solve for x
    x = 1,170,267,612,146.67/1,250,911.84
  6. Step 6: Final answer
    x = 935,531.65

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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.