Home / 1,191,901.92-1,788,099.20-393,232.32

Finding the Fourth Proportional to 1,191,901.92, 1,788,099.20 and 393,232.32

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Solution

The fourth proportional to 1,191,901.92, 1,788,099.20 and 393,232.32 is: 589,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,901.92 : 1,788,099.20 = 393,232.32 : x
  2. Step 2: Convert to fraction form
    1,191,901.92/1,788,099.20 = 393,232.32/x
  3. Step 3: Cross multiply
    1,191,901.92x = 1,788,099.20 × 393,232.32
  4. Step 4: Simplify right side
    1,191,901.92x = 703,138,396,806.14
  5. Step 5: Solve for x
    x = 703,138,396,806.14/1,191,901.92
  6. Step 6: Final answer
    x = 589,929.75

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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.