Home / 804,760.39-1,206,299.80-591,210.78

Finding the Fourth Proportional to 804,760.39, 1,206,299.80 and 591,210.78

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Solution

The fourth proportional to 804,760.39, 1,206,299.80 and 591,210.78 is: 886,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,760.39 : 1,206,299.80 = 591,210.78 : x
  2. Step 2: Convert to fraction form
    804,760.39/1,206,299.80 = 591,210.78/x
  3. Step 3: Cross multiply
    804,760.39x = 1,206,299.80 × 591,210.78
  4. Step 4: Simplify right side
    804,760.39x = 713,177,445,671.84
  5. Step 5: Solve for x
    x = 713,177,445,671.84/804,760.39
  6. Step 6: Final answer
    x = 886,198.49

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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.