Home / 860,459.54-1,187,684.46-573,978.92

Finding the Fourth Proportional to 860,459.54, 1,187,684.46 and 573,978.92

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Solution

The fourth proportional to 860,459.54, 1,187,684.46 and 573,978.92 is: 792,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,459.54 : 1,187,684.46 = 573,978.92 : x
  2. Step 2: Convert to fraction form
    860,459.54/1,187,684.46 = 573,978.92/x
  3. Step 3: Cross multiply
    860,459.54x = 1,187,684.46 × 573,978.92
  4. Step 4: Simplify right side
    860,459.54x = 681,705,837,713.16
  5. Step 5: Solve for x
    x = 681,705,837,713.16/860,459.54
  6. Step 6: Final answer
    x = 792,257.87

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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.