Home / 839,553.29-1,259,526.78-334,144.88

Finding the Fourth Proportional to 839,553.29, 1,259,526.78 and 334,144.88

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Solution

The fourth proportional to 839,553.29, 1,259,526.78 and 334,144.88 is: 501,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,553.29 : 1,259,526.78 = 334,144.88 : x
  2. Step 2: Convert to fraction form
    839,553.29/1,259,526.78 = 334,144.88/x
  3. Step 3: Cross multiply
    839,553.29x = 1,259,526.78 × 334,144.88
  4. Step 4: Simplify right side
    839,553.29x = 420,864,423,185.48
  5. Step 5: Solve for x
    x = 420,864,423,185.48/839,553.29
  6. Step 6: Final answer
    x = 501,295.66

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1.5x scale

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.