Home / 356,431.39-534,327.23-266,363.24

Finding the Fourth Proportional to 356,431.39, 534,327.23 and 266,363.24

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Solution

The fourth proportional to 356,431.39, 534,327.23 and 266,363.24 is: 399,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,431.39 : 534,327.23 = 266,363.24 : x
  2. Step 2: Convert to fraction form
    356,431.39/534,327.23 = 266,363.24/x
  3. Step 3: Cross multiply
    356,431.39x = 534,327.23 × 266,363.24
  4. Step 4: Simplify right side
    356,431.39x = 142,325,130,197.30
  5. Step 5: Solve for x
    x = 142,325,130,197.30/356,431.39
  6. Step 6: Final answer
    x = 399,305.83

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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.