Home / 928,605.16-1,391,113.98-685,016.68

Finding the Fourth Proportional to 928,605.16, 1,391,113.98 and 685,016.68

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Solution

The fourth proportional to 928,605.16, 1,391,113.98 and 685,016.68 is: 1,026,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,605.16 : 1,391,113.98 = 685,016.68 : x
  2. Step 2: Convert to fraction form
    928,605.16/1,391,113.98 = 685,016.68/x
  3. Step 3: Cross multiply
    928,605.16x = 1,391,113.98 × 685,016.68
  4. Step 4: Simplify right side
    928,605.16x = 952,936,280,081.19
  5. Step 5: Solve for x
    x = 952,936,280,081.19/928,605.16
  6. Step 6: Final answer
    x = 1,026,201.79

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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.