Home / 860,733.94-1,187,717.97-498,087.22

Finding the Fourth Proportional to 860,733.94, 1,187,717.97 and 498,087.22

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Solution

The fourth proportional to 860,733.94, 1,187,717.97 and 498,087.22 is: 687,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,733.94 : 1,187,717.97 = 498,087.22 : x
  2. Step 2: Convert to fraction form
    860,733.94/1,187,717.97 = 498,087.22/x
  3. Step 3: Cross multiply
    860,733.94x = 1,187,717.97 × 498,087.22
  4. Step 4: Simplify right side
    860,733.94x = 591,587,141,821.34
  5. Step 5: Solve for x
    x = 591,587,141,821.34/860,733.94
  6. Step 6: Final answer
    x = 687,305.47

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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.