Home / 1,251,788.04-1,727,467.92-678,828.06

Finding the Fourth Proportional to 1,251,788.04, 1,727,467.92 and 678,828.06

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Solution

The fourth proportional to 1,251,788.04, 1,727,467.92 and 678,828.06 is: 936,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,788.04 : 1,727,467.92 = 678,828.06 : x
  2. Step 2: Convert to fraction form
    1,251,788.04/1,727,467.92 = 678,828.06/x
  3. Step 3: Cross multiply
    1,251,788.04x = 1,727,467.92 × 678,828.06
  4. Step 4: Simplify right side
    1,251,788.04x = 1,172,653,696,845.84
  5. Step 5: Solve for x
    x = 1,172,653,696,845.84/1,251,788.04
  6. Step 6: Final answer
    x = 936,782.95

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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.