Home / 823,198.61-1,234,088.36-318,114

Finding the Fourth Proportional to 823,198.61, 1,234,088.36 and 318,114

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Solution

The fourth proportional to 823,198.61, 1,234,088.36 and 318,114 is: 476,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,198.61 : 1,234,088.36 = 318,114 : x
  2. Step 2: Convert to fraction form
    823,198.61/1,234,088.36 = 318,114/x
  3. Step 3: Cross multiply
    823,198.61x = 1,234,088.36 × 318,114
  4. Step 4: Simplify right side
    823,198.61x = 392,580,782,962.47
  5. Step 5: Solve for x
    x = 392,580,782,962.47/823,198.61
  6. Step 6: Final answer
    x = 476,896.80

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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.