Home / 3,561,269.20-5,341,857.08-865,586.56

Finding the Fourth Proportional to 3,561,269.20, 5,341,857.08 and 865,586.56

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Solution

The fourth proportional to 3,561,269.20, 5,341,857.08 and 865,586.56 is: 1,298,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,269.20 : 5,341,857.08 = 865,586.56 : x
  2. Step 2: Convert to fraction form
    3,561,269.20/5,341,857.08 = 865,586.56/x
  3. Step 3: Cross multiply
    3,561,269.20x = 5,341,857.08 × 865,586.56
  4. Step 4: Simplify right side
    3,561,269.20x = 4,623,839,693,888.85
  5. Step 5: Solve for x
    x = 4,623,839,693,888.85/3,561,269.20
  6. Step 6: Final answer
    x = 1,298,368.48

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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.