Home / 1,118.24-1,675.70-467.80

Finding the Fourth Proportional to 1,118.24, 1,675.70 and 467.80

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Solution

The fourth proportional to 1,118.24, 1,675.70 and 467.80 is: 701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.24 : 1,675.70 = 467.80 : x
  2. Step 2: Convert to fraction form
    1,118.24/1,675.70 = 467.80/x
  3. Step 3: Cross multiply
    1,118.24x = 1,675.70 × 467.80
  4. Step 4: Simplify right side
    1,118.24x = 783,892.46
  5. Step 5: Solve for x
    x = 783,892.46/1,118.24
  6. Step 6: Final answer
    x = 701.01

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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.