Home / 1,328,082.60-1,991,864.70-441,618.60

Finding the Fourth Proportional to 1,328,082.60, 1,991,864.70 and 441,618.60

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Solution

The fourth proportional to 1,328,082.60, 1,991,864.70 and 441,618.60 is: 662,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,082.60 : 1,991,864.70 = 441,618.60 : x
  2. Step 2: Convert to fraction form
    1,328,082.60/1,991,864.70 = 441,618.60/x
  3. Step 3: Cross multiply
    1,328,082.60x = 1,991,864.70 × 441,618.60
  4. Step 4: Simplify right side
    1,328,082.60x = 879,644,500,203.42
  5. Step 5: Solve for x
    x = 879,644,500,203.42/1,328,082.60
  6. Step 6: Final answer
    x = 662,341.71

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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.