Home / 1,247,616.20-1,872,083.62-885,219.84

Finding the Fourth Proportional to 1,247,616.20, 1,872,083.62 and 885,219.84

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Solution

The fourth proportional to 1,247,616.20, 1,872,083.62 and 885,219.84 is: 1,328,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,616.20 : 1,872,083.62 = 885,219.84 : x
  2. Step 2: Convert to fraction form
    1,247,616.20/1,872,083.62 = 885,219.84/x
  3. Step 3: Cross multiply
    1,247,616.20x = 1,872,083.62 × 885,219.84
  4. Step 4: Simplify right side
    1,247,616.20x = 1,657,205,562,563.02
  5. Step 5: Solve for x
    x = 1,657,205,562,563.02/1,247,616.20
  6. Step 6: Final answer
    x = 1,328,297.57

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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.