Home / 1,069.00-1,470.58-942.32

Finding the Fourth Proportional to 1,069.00, 1,470.58 and 942.32

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Solution

The fourth proportional to 1,069.00, 1,470.58 and 942.32 is: 1,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.00 : 1,470.58 = 942.32 : x
  2. Step 2: Convert to fraction form
    1,069.00/1,470.58 = 942.32/x
  3. Step 3: Cross multiply
    1,069.00x = 1,470.58 × 942.32
  4. Step 4: Simplify right side
    1,069.00x = 1,385,758.27
  5. Step 5: Solve for x
    x = 1,385,758.27/1,069.00
  6. Step 6: Final answer
    x = 1,296.32

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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.