Home / 1,191,734.83-1,787,222.62-392,867.47

Finding the Fourth Proportional to 1,191,734.83, 1,787,222.62 and 392,867.47

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Solution

The fourth proportional to 1,191,734.83, 1,787,222.62 and 392,867.47 is: 589,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,734.83 : 1,787,222.62 = 392,867.47 : x
  2. Step 2: Convert to fraction form
    1,191,734.83/1,787,222.62 = 392,867.47/x
  3. Step 3: Cross multiply
    1,191,734.83x = 1,787,222.62 × 392,867.47
  4. Step 4: Simplify right side
    1,191,734.83x = 702,141,629,046.17
  5. Step 5: Solve for x
    x = 702,141,629,046.17/1,191,734.83
  6. Step 6: Final answer
    x = 589,176.06

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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.