Home / 1,234,396.89-1,851,216.30-435,491.61

Finding the Fourth Proportional to 1,234,396.89, 1,851,216.30 and 435,491.61

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Solution

The fourth proportional to 1,234,396.89, 1,851,216.30 and 435,491.61 is: 653,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,396.89 : 1,851,216.30 = 435,491.61 : x
  2. Step 2: Convert to fraction form
    1,234,396.89/1,851,216.30 = 435,491.61/x
  3. Step 3: Cross multiply
    1,234,396.89x = 1,851,216.30 × 435,491.61
  4. Step 4: Simplify right side
    1,234,396.89x = 806,189,166,945.24
  5. Step 5: Solve for x
    x = 806,189,166,945.24/1,234,396.89
  6. Step 6: Final answer
    x = 653,103.69

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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.