Home / 1,121,368.30-1,682,310.03-322,656.46

Finding the Fourth Proportional to 1,121,368.30, 1,682,310.03 and 322,656.46

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Solution

The fourth proportional to 1,121,368.30, 1,682,310.03 and 322,656.46 is: 484,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,368.30 : 1,682,310.03 = 322,656.46 : x
  2. Step 2: Convert to fraction form
    1,121,368.30/1,682,310.03 = 322,656.46/x
  3. Step 3: Cross multiply
    1,121,368.30x = 1,682,310.03 × 322,656.46
  4. Step 4: Simplify right side
    1,121,368.30x = 542,808,198,902.29
  5. Step 5: Solve for x
    x = 542,808,198,902.29/1,121,368.30
  6. Step 6: Final answer
    x = 484,058.80

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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.