Home / 1,767,105.60-2,652,040.80-820,593.60

Finding the Fourth Proportional to 1,767,105.60, 2,652,040.80 and 820,593.60

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Solution

The fourth proportional to 1,767,105.60, 2,652,040.80 and 820,593.60 is: 1,231,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,105.60 : 2,652,040.80 = 820,593.60 : x
  2. Step 2: Convert to fraction form
    1,767,105.60/2,652,040.80 = 820,593.60/x
  3. Step 3: Cross multiply
    1,767,105.60x = 2,652,040.80 × 820,593.60
  4. Step 4: Simplify right side
    1,767,105.60x = 2,176,247,707,418.88
  5. Step 5: Solve for x
    x = 2,176,247,707,418.88/1,767,105.60
  6. Step 6: Final answer
    x = 1,231,532.35

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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.