Home / 715,839.58-1,073,593.32-316,262.53

Finding the Fourth Proportional to 715,839.58, 1,073,593.32 and 316,262.53

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Solution

The fourth proportional to 715,839.58, 1,073,593.32 and 316,262.53 is: 474,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,839.58 : 1,073,593.32 = 316,262.53 : x
  2. Step 2: Convert to fraction form
    715,839.58/1,073,593.32 = 316,262.53/x
  3. Step 3: Cross multiply
    715,839.58x = 1,073,593.32 × 316,262.53
  4. Step 4: Simplify right side
    715,839.58x = 339,537,339,574.30
  5. Step 5: Solve for x
    x = 339,537,339,574.30/715,839.58
  6. Step 6: Final answer
    x = 474,320.43

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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.