Home / 986,151.12-1,480,151.16-513,171.60

Finding the Fourth Proportional to 986,151.12, 1,480,151.16 and 513,171.60

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Solution

The fourth proportional to 986,151.12, 1,480,151.16 and 513,171.60 is: 770,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,151.12 : 1,480,151.16 = 513,171.60 : x
  2. Step 2: Convert to fraction form
    986,151.12/1,480,151.16 = 513,171.60/x
  3. Step 3: Cross multiply
    986,151.12x = 1,480,151.16 × 513,171.60
  4. Step 4: Simplify right side
    986,151.12x = 759,571,539,019.06
  5. Step 5: Solve for x
    x = 759,571,539,019.06/986,151.12
  6. Step 6: Final answer
    x = 770,238.48

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1.5x scale

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.