Home / 905,998.15-1,250,278.25-498,106.93

Finding the Fourth Proportional to 905,998.15, 1,250,278.25 and 498,106.93

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Solution

The fourth proportional to 905,998.15, 1,250,278.25 and 498,106.93 is: 687,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,998.15 : 1,250,278.25 = 498,106.93 : x
  2. Step 2: Convert to fraction form
    905,998.15/1,250,278.25 = 498,106.93/x
  3. Step 3: Cross multiply
    905,998.15x = 1,250,278.25 × 498,106.93
  4. Step 4: Simplify right side
    905,998.15x = 622,772,259,939.97
  5. Step 5: Solve for x
    x = 622,772,259,939.97/905,998.15
  6. Step 6: Final answer
    x = 687,388.00

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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.