Home / 1,316.52-1,974.30-585.96

Finding the Fourth Proportional to 1,316.52, 1,974.30 and 585.96

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Solution

The fourth proportional to 1,316.52, 1,974.30 and 585.96 is: 878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.52 : 1,974.30 = 585.96 : x
  2. Step 2: Convert to fraction form
    1,316.52/1,974.30 = 585.96/x
  3. Step 3: Cross multiply
    1,316.52x = 1,974.30 × 585.96
  4. Step 4: Simplify right side
    1,316.52x = 1,156,860.83
  5. Step 5: Solve for x
    x = 1,156,860.83/1,316.52
  6. Step 6: Final answer
    x = 878.73

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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.