Home / 905,995.44-1,250,282.10-498,100.16

Finding the Fourth Proportional to 905,995.44, 1,250,282.10 and 498,100.16

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Solution

The fourth proportional to 905,995.44, 1,250,282.10 and 498,100.16 is: 687,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,995.44 : 1,250,282.10 = 498,100.16 : x
  2. Step 2: Convert to fraction form
    905,995.44/1,250,282.10 = 498,100.16/x
  3. Step 3: Cross multiply
    905,995.44x = 1,250,282.10 × 498,100.16
  4. Step 4: Simplify right side
    905,995.44x = 622,765,714,055.14
  5. Step 5: Solve for x
    x = 622,765,714,055.14/905,995.44
  6. Step 6: Final answer
    x = 687,382.84

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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.