Home / 905,997.37-1,250,277.17-498,106.16

Finding the Fourth Proportional to 905,997.37, 1,250,277.17 and 498,106.16

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Solution

The fourth proportional to 905,997.37, 1,250,277.17 and 498,106.16 is: 687,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,997.37 : 1,250,277.17 = 498,106.16 : x
  2. Step 2: Convert to fraction form
    905,997.37/1,250,277.17 = 498,106.16/x
  3. Step 3: Cross multiply
    905,997.37x = 1,250,277.17 × 498,106.16
  4. Step 4: Simplify right side
    905,997.37x = 622,770,755,078.25
  5. Step 5: Solve for x
    x = 622,770,755,078.25/905,997.37
  6. Step 6: Final answer
    x = 687,386.93

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Double scale
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1.5x scale

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.