Home / 697,798.20-1,044,105.30-511,174.20

Finding the Fourth Proportional to 697,798.20, 1,044,105.30 and 511,174.20

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Solution

The fourth proportional to 697,798.20, 1,044,105.30 and 511,174.20 is: 764,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,798.20 : 1,044,105.30 = 511,174.20 : x
  2. Step 2: Convert to fraction form
    697,798.20/1,044,105.30 = 511,174.20/x
  3. Step 3: Cross multiply
    697,798.20x = 1,044,105.30 × 511,174.20
  4. Step 4: Simplify right side
    697,798.20x = 533,719,691,443.26
  5. Step 5: Solve for x
    x = 533,719,691,443.26/697,798.20
  6. Step 6: Final answer
    x = 764,862.52

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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.