Home / 1,193.16-1,788.45-500.21

Finding the Fourth Proportional to 1,193.16, 1,788.45 and 500.21

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Solution

The fourth proportional to 1,193.16, 1,788.45 and 500.21 is: 749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.16 : 1,788.45 = 500.21 : x
  2. Step 2: Convert to fraction form
    1,193.16/1,788.45 = 500.21/x
  3. Step 3: Cross multiply
    1,193.16x = 1,788.45 × 500.21
  4. Step 4: Simplify right side
    1,193.16x = 894,596.46
  5. Step 5: Solve for x
    x = 894,596.46/1,193.16
  6. Step 6: Final answer
    x = 749.77

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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.