Home / 715,821.68-1,073,502.84-316,453.52

Finding the Fourth Proportional to 715,821.68, 1,073,502.84 and 316,453.52

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Solution

The fourth proportional to 715,821.68, 1,073,502.84 and 316,453.52 is: 474,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,821.68 : 1,073,502.84 = 316,453.52 : x
  2. Step 2: Convert to fraction form
    715,821.68/1,073,502.84 = 316,453.52/x
  3. Step 3: Cross multiply
    715,821.68x = 1,073,502.84 × 316,453.52
  4. Step 4: Simplify right side
    715,821.68x = 339,713,752,448.00
  5. Step 5: Solve for x
    x = 339,713,752,448.00/715,821.68
  6. Step 6: Final answer
    x = 474,578.74

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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.