Home / 649,540.36-896,365.38-381,268.36

Finding the Fourth Proportional to 649,540.36, 896,365.38 and 381,268.36

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Solution

The fourth proportional to 649,540.36, 896,365.38 and 381,268.36 is: 526,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,540.36 : 896,365.38 = 381,268.36 : x
  2. Step 2: Convert to fraction form
    649,540.36/896,365.38 = 381,268.36/x
  3. Step 3: Cross multiply
    649,540.36x = 896,365.38 × 381,268.36
  4. Step 4: Simplify right side
    649,540.36x = 341,755,758,393.38
  5. Step 5: Solve for x
    x = 341,755,758,393.38/649,540.36
  6. Step 6: Final answer
    x = 526,150.15

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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.