Home / 1,251,735.30-1,727,405.52-678,775.50

Finding the Fourth Proportional to 1,251,735.30, 1,727,405.52 and 678,775.50

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Solution

The fourth proportional to 1,251,735.30, 1,727,405.52 and 678,775.50 is: 936,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,735.30 : 1,727,405.52 = 678,775.50 : x
  2. Step 2: Convert to fraction form
    1,251,735.30/1,727,405.52 = 678,775.50/x
  3. Step 3: Cross multiply
    1,251,735.30x = 1,727,405.52 × 678,775.50
  4. Step 4: Simplify right side
    1,251,735.30x = 1,172,520,545,540.76
  5. Step 5: Solve for x
    x = 1,172,520,545,540.76/1,251,735.30
  6. Step 6: Final answer
    x = 936,716.05

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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.