Home / 397,123.29-595,540.74-217,341.59

Finding the Fourth Proportional to 397,123.29, 595,540.74 and 217,341.59

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Solution

The fourth proportional to 397,123.29, 595,540.74 and 217,341.59 is: 325,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,123.29 : 595,540.74 = 217,341.59 : x
  2. Step 2: Convert to fraction form
    397,123.29/595,540.74 = 217,341.59/x
  3. Step 3: Cross multiply
    397,123.29x = 595,540.74 × 217,341.59
  4. Step 4: Simplify right side
    397,123.29x = 129,435,771,341.38
  5. Step 5: Solve for x
    x = 129,435,771,341.38/397,123.29
  6. Step 6: Final answer
    x = 325,933.47

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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.