Home / 1,111.14-1,533.35-613.77

Finding the Fourth Proportional to 1,111.14, 1,533.35 and 613.77

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Solution

The fourth proportional to 1,111.14, 1,533.35 and 613.77 is: 846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111.14 : 1,533.35 = 613.77 : x
  2. Step 2: Convert to fraction form
    1,111.14/1,533.35 = 613.77/x
  3. Step 3: Cross multiply
    1,111.14x = 1,533.35 × 613.77
  4. Step 4: Simplify right side
    1,111.14x = 941,121.16
  5. Step 5: Solve for x
    x = 941,121.16/1,111.14
  6. Step 6: Final answer
    x = 846.99

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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.