Home / 911,538.70-1,257,954.51-572,194.06

Finding the Fourth Proportional to 911,538.70, 1,257,954.51 and 572,194.06

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Solution

The fourth proportional to 911,538.70, 1,257,954.51 and 572,194.06 is: 789,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,538.70 : 1,257,954.51 = 572,194.06 : x
  2. Step 2: Convert to fraction form
    911,538.70/1,257,954.51 = 572,194.06/x
  3. Step 3: Cross multiply
    911,538.70x = 1,257,954.51 × 572,194.06
  4. Step 4: Simplify right side
    911,538.70x = 719,794,098,372.21
  5. Step 5: Solve for x
    x = 719,794,098,372.21/911,538.70
  6. Step 6: Final answer
    x = 789,647.33

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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.