Home / 1,048,082.90-1,570,763.55-485,921.30

Finding the Fourth Proportional to 1,048,082.90, 1,570,763.55 and 485,921.30

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Solution

The fourth proportional to 1,048,082.90, 1,570,763.55 and 485,921.30 is: 728,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,082.90 : 1,570,763.55 = 485,921.30 : x
  2. Step 2: Convert to fraction form
    1,048,082.90/1,570,763.55 = 485,921.30/x
  3. Step 3: Cross multiply
    1,048,082.90x = 1,570,763.55 × 485,921.30
  4. Step 4: Simplify right side
    1,048,082.90x = 763,267,466,208.62
  5. Step 5: Solve for x
    x = 763,267,466,208.62/1,048,082.90
  6. Step 6: Final answer
    x = 728,251.04

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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.