Home / 338,217.32-466,515.11-217,511.30

Finding the Fourth Proportional to 338,217.32, 466,515.11 and 217,511.30

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Solution

The fourth proportional to 338,217.32, 466,515.11 and 217,511.30 is: 300,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,217.32 : 466,515.11 = 217,511.30 : x
  2. Step 2: Convert to fraction form
    338,217.32/466,515.11 = 217,511.30/x
  3. Step 3: Cross multiply
    338,217.32x = 466,515.11 × 217,511.30
  4. Step 4: Simplify right side
    338,217.32x = 101,472,308,045.74
  5. Step 5: Solve for x
    x = 101,472,308,045.74/338,217.32
  6. Step 6: Final answer
    x = 300,021.03

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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.