Home / 626,401.97-864,434.72-339,922.06

Finding the Fourth Proportional to 626,401.97, 864,434.72 and 339,922.06

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Solution

The fourth proportional to 626,401.97, 864,434.72 and 339,922.06 is: 469,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,401.97 : 864,434.72 = 339,922.06 : x
  2. Step 2: Convert to fraction form
    626,401.97/864,434.72 = 339,922.06/x
  3. Step 3: Cross multiply
    626,401.97x = 864,434.72 × 339,922.06
  4. Step 4: Simplify right side
    626,401.97x = 293,840,424,736.14
  5. Step 5: Solve for x
    x = 293,840,424,736.14/626,401.97
  6. Step 6: Final answer
    x = 469,092.44

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1.5x scale

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.