Home / 396,718.02-547,316.01-226,861.38

Finding the Fourth Proportional to 396,718.02, 547,316.01 and 226,861.38

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Solution

The fourth proportional to 396,718.02, 547,316.01 and 226,861.38 is: 312,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,718.02 : 547,316.01 = 226,861.38 : x
  2. Step 2: Convert to fraction form
    396,718.02/547,316.01 = 226,861.38/x
  3. Step 3: Cross multiply
    396,718.02x = 547,316.01 × 226,861.38
  4. Step 4: Simplify right side
    396,718.02x = 124,164,865,324.69
  5. Step 5: Solve for x
    x = 124,164,865,324.69/396,718.02
  6. Step 6: Final answer
    x = 312,980.15

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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.