Home / 1,251,773.46-1,727,448.30-678,813.48

Finding the Fourth Proportional to 1,251,773.46, 1,727,448.30 and 678,813.48

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Solution

The fourth proportional to 1,251,773.46, 1,727,448.30 and 678,813.48 is: 936,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,773.46 : 1,727,448.30 = 678,813.48 : x
  2. Step 2: Convert to fraction form
    1,251,773.46/1,727,448.30 = 678,813.48/x
  3. Step 3: Cross multiply
    1,251,773.46x = 1,727,448.30 × 678,813.48
  4. Step 4: Simplify right side
    1,251,773.46x = 1,172,615,192,043.08
  5. Step 5: Solve for x
    x = 1,172,615,192,043.08/1,251,773.46
  6. Step 6: Final answer
    x = 936,763.10

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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.