Home / 1,012,170.16-1,396,242-649,190.32

Finding the Fourth Proportional to 1,012,170.16, 1,396,242 and 649,190.32

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Solution

The fourth proportional to 1,012,170.16, 1,396,242 and 649,190.32 is: 895,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,170.16 : 1,396,242 = 649,190.32 : x
  2. Step 2: Convert to fraction form
    1,012,170.16/1,396,242 = 649,190.32/x
  3. Step 3: Cross multiply
    1,012,170.16x = 1,396,242 × 649,190.32
  4. Step 4: Simplify right side
    1,012,170.16x = 906,426,790,777.44
  5. Step 5: Solve for x
    x = 906,426,790,777.44/1,012,170.16
  6. Step 6: Final answer
    x = 895,528.07

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Double scale
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Similar ratio
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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.