Home / 889,334.38-1,334,249.86-357,229.06

Finding the Fourth Proportional to 889,334.38, 1,334,249.86 and 357,229.06

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Solution

The fourth proportional to 889,334.38, 1,334,249.86 and 357,229.06 is: 535,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,334.38 : 1,334,249.86 = 357,229.06 : x
  2. Step 2: Convert to fraction form
    889,334.38/1,334,249.86 = 357,229.06/x
  3. Step 3: Cross multiply
    889,334.38x = 1,334,249.86 × 357,229.06
  4. Step 4: Simplify right side
    889,334.38x = 476,632,823,292.93
  5. Step 5: Solve for x
    x = 476,632,823,292.93/889,334.38
  6. Step 6: Final answer
    x = 535,943.32

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.