Home / 957,634.65-1,321,527.15-527,914.78

Finding the Fourth Proportional to 957,634.65, 1,321,527.15 and 527,914.78

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Solution

The fourth proportional to 957,634.65, 1,321,527.15 and 527,914.78 is: 728,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,634.65 : 1,321,527.15 = 527,914.78 : x
  2. Step 2: Convert to fraction form
    957,634.65/1,321,527.15 = 527,914.78/x
  3. Step 3: Cross multiply
    957,634.65x = 1,321,527.15 × 527,914.78
  4. Step 4: Simplify right side
    957,634.65x = 697,653,718,786.05
  5. Step 5: Solve for x
    x = 697,653,718,786.05/957,634.65
  6. Step 6: Final answer
    x = 728,517.62

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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.