Home / 836,997.60-1,255,657.99-357,218.40

Finding the Fourth Proportional to 836,997.60, 1,255,657.99 and 357,218.40

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Solution

The fourth proportional to 836,997.60, 1,255,657.99 and 357,218.40 is: 535,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,997.60 : 1,255,657.99 = 357,218.40 : x
  2. Step 2: Convert to fraction form
    836,997.60/1,255,657.99 = 357,218.40/x
  3. Step 3: Cross multiply
    836,997.60x = 1,255,657.99 × 357,218.40
  4. Step 4: Simplify right side
    836,997.60x = 448,544,138,135.02
  5. Step 5: Solve for x
    x = 448,544,138,135.02/836,997.60
  6. Step 6: Final answer
    x = 535,896.56

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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.