Home / 792,694.32-1,189,235.88-371,479.20

Finding the Fourth Proportional to 792,694.32, 1,189,235.88 and 371,479.20

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Solution

The fourth proportional to 792,694.32, 1,189,235.88 and 371,479.20 is: 557,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,694.32 : 1,189,235.88 = 371,479.20 : x
  2. Step 2: Convert to fraction form
    792,694.32/1,189,235.88 = 371,479.20/x
  3. Step 3: Cross multiply
    792,694.32x = 1,189,235.88 × 371,479.20
  4. Step 4: Simplify right side
    792,694.32x = 441,776,393,313.70
  5. Step 5: Solve for x
    x = 441,776,393,313.70/792,694.32
  6. Step 6: Final answer
    x = 557,309.90

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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.