Home / 982,488.75-1,355,820.57-552,767.85

Finding the Fourth Proportional to 982,488.75, 1,355,820.57 and 552,767.85

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Solution

The fourth proportional to 982,488.75, 1,355,820.57 and 552,767.85 is: 762,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,488.75 : 1,355,820.57 = 552,767.85 : x
  2. Step 2: Convert to fraction form
    982,488.75/1,355,820.57 = 552,767.85/x
  3. Step 3: Cross multiply
    982,488.75x = 1,355,820.57 × 552,767.85
  4. Step 4: Simplify right side
    982,488.75x = 749,454,021,464.68
  5. Step 5: Solve for x
    x = 749,454,021,464.68/982,488.75
  6. Step 6: Final answer
    x = 762,811.81

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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.