Home / 815,194.32-1,222,790.28-534,645.84

Finding the Fourth Proportional to 815,194.32, 1,222,790.28 and 534,645.84

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Solution

The fourth proportional to 815,194.32, 1,222,790.28 and 534,645.84 is: 801,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,194.32 : 1,222,790.28 = 534,645.84 : x
  2. Step 2: Convert to fraction form
    815,194.32/1,222,790.28 = 534,645.84/x
  3. Step 3: Cross multiply
    815,194.32x = 1,222,790.28 × 534,645.84
  4. Step 4: Simplify right side
    815,194.32x = 653,759,736,394.44
  5. Step 5: Solve for x
    x = 653,759,736,394.44/815,194.32
  6. Step 6: Final answer
    x = 801,967.97

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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.