Home / 597,049.41-823,711.78-338,776.78

Finding the Fourth Proportional to 597,049.41, 823,711.78 and 338,776.78

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Solution

The fourth proportional to 597,049.41, 823,711.78 and 338,776.78 is: 467,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,049.41 : 823,711.78 = 338,776.78 : x
  2. Step 2: Convert to fraction form
    597,049.41/823,711.78 = 338,776.78/x
  3. Step 3: Cross multiply
    597,049.41x = 823,711.78 × 338,776.78
  4. Step 4: Simplify right side
    597,049.41x = 279,054,424,476.47
  5. Step 5: Solve for x
    x = 279,054,424,476.47/597,049.41
  6. Step 6: Final answer
    x = 467,389.16

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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.