Home / 1,116.67-1,541.19-650.92

Finding the Fourth Proportional to 1,116.67, 1,541.19 and 650.92

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Solution

The fourth proportional to 1,116.67, 1,541.19 and 650.92 is: 898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.67 : 1,541.19 = 650.92 : x
  2. Step 2: Convert to fraction form
    1,116.67/1,541.19 = 650.92/x
  3. Step 3: Cross multiply
    1,116.67x = 1,541.19 × 650.92
  4. Step 4: Simplify right side
    1,116.67x = 1,003,191.39
  5. Step 5: Solve for x
    x = 1,003,191.39/1,116.67
  6. Step 6: Final answer
    x = 898.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.