Home / 628,724.94-943,154.55-268,933.01

Finding the Fourth Proportional to 628,724.94, 943,154.55 and 268,933.01

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Solution

The fourth proportional to 628,724.94, 943,154.55 and 268,933.01 is: 403,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,724.94 : 943,154.55 = 268,933.01 : x
  2. Step 2: Convert to fraction form
    628,724.94/943,154.55 = 268,933.01/x
  3. Step 3: Cross multiply
    628,724.94x = 943,154.55 × 268,933.01
  4. Step 4: Simplify right side
    628,724.94x = 253,645,387,310.92
  5. Step 5: Solve for x
    x = 253,645,387,310.92/628,724.94
  6. Step 6: Final answer
    x = 403,428.23

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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.