Home / 865,102.05-1,193,836.89-477,917.58

Finding the Fourth Proportional to 865,102.05, 1,193,836.89 and 477,917.58

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Solution

The fourth proportional to 865,102.05, 1,193,836.89 and 477,917.58 is: 659,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,102.05 : 1,193,836.89 = 477,917.58 : x
  2. Step 2: Convert to fraction form
    865,102.05/1,193,836.89 = 477,917.58/x
  3. Step 3: Cross multiply
    865,102.05x = 1,193,836.89 × 477,917.58
  4. Step 4: Simplify right side
    865,102.05x = 570,555,637,383.53
  5. Step 5: Solve for x
    x = 570,555,637,383.53/865,102.05
  6. Step 6: Final answer
    x = 659,524.08

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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.