Home / 903,165.03-1,246,357.46-521,183.61

Finding the Fourth Proportional to 903,165.03, 1,246,357.46 and 521,183.61

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Solution

The fourth proportional to 903,165.03, 1,246,357.46 and 521,183.61 is: 719,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,165.03 : 1,246,357.46 = 521,183.61 : x
  2. Step 2: Convert to fraction form
    903,165.03/1,246,357.46 = 521,183.61/x
  3. Step 3: Cross multiply
    903,165.03x = 1,246,357.46 × 521,183.61
  4. Step 4: Simplify right side
    903,165.03x = 649,581,077,747.31
  5. Step 5: Solve for x
    x = 649,581,077,747.31/903,165.03
  6. Step 6: Final answer
    x = 719,227.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.