Home / 493,427.30-680,931.72-267,072.80

Finding the Fourth Proportional to 493,427.30, 680,931.72 and 267,072.80

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Solution

The fourth proportional to 493,427.30, 680,931.72 and 267,072.80 is: 368,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,427.30 : 680,931.72 = 267,072.80 : x
  2. Step 2: Convert to fraction form
    493,427.30/680,931.72 = 267,072.80/x
  3. Step 3: Cross multiply
    493,427.30x = 680,931.72 × 267,072.80
  4. Step 4: Simplify right side
    493,427.30x = 181,858,341,069.22
  5. Step 5: Solve for x
    x = 181,858,341,069.22/493,427.30
  6. Step 6: Final answer
    x = 368,561.57

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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.