Home / 448,123.95-618,382.22-266,849.19

Finding the Fourth Proportional to 448,123.95, 618,382.22 and 266,849.19

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Solution

The fourth proportional to 448,123.95, 618,382.22 and 266,849.19 is: 368,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,123.95 : 618,382.22 = 266,849.19 : x
  2. Step 2: Convert to fraction form
    448,123.95/618,382.22 = 266,849.19/x
  3. Step 3: Cross multiply
    448,123.95x = 618,382.22 × 266,849.19
  4. Step 4: Simplify right side
    448,123.95x = 165,014,793,183.16
  5. Step 5: Solve for x
    x = 165,014,793,183.16/448,123.95
  6. Step 6: Final answer
    x = 368,234.71

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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.