Home / 1,120.04-1,546.36-700.56

Finding the Fourth Proportional to 1,120.04, 1,546.36 and 700.56

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Solution

The fourth proportional to 1,120.04, 1,546.36 and 700.56 is: 967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.04 : 1,546.36 = 700.56 : x
  2. Step 2: Convert to fraction form
    1,120.04/1,546.36 = 700.56/x
  3. Step 3: Cross multiply
    1,120.04x = 1,546.36 × 700.56
  4. Step 4: Simplify right side
    1,120.04x = 1,083,317.96
  5. Step 5: Solve for x
    x = 1,083,317.96/1,120.04
  6. Step 6: Final answer
    x = 967.21

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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.