Home / 1,192.29-1,788.60-370.64

Finding the Fourth Proportional to 1,192.29, 1,788.60 and 370.64

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Solution

The fourth proportional to 1,192.29, 1,788.60 and 370.64 is: 556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.29 : 1,788.60 = 370.64 : x
  2. Step 2: Convert to fraction form
    1,192.29/1,788.60 = 370.64/x
  3. Step 3: Cross multiply
    1,192.29x = 1,788.60 × 370.64
  4. Step 4: Simplify right side
    1,192.29x = 662,917.76
  5. Step 5: Solve for x
    x = 662,917.76/1,192.29
  6. Step 6: Final answer
    x = 556.00

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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.