Home / 1,058,217.76-1,587,087.25-489,288.84

Finding the Fourth Proportional to 1,058,217.76, 1,587,087.25 and 489,288.84

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Solution

The fourth proportional to 1,058,217.76, 1,587,087.25 and 489,288.84 is: 733,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,217.76 : 1,587,087.25 = 489,288.84 : x
  2. Step 2: Convert to fraction form
    1,058,217.76/1,587,087.25 = 489,288.84/x
  3. Step 3: Cross multiply
    1,058,217.76x = 1,587,087.25 × 489,288.84
  4. Step 4: Simplify right side
    1,058,217.76x = 776,544,079,531.29
  5. Step 5: Solve for x
    x = 776,544,079,531.29/1,058,217.76
  6. Step 6: Final answer
    x = 733,822.58

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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.