Home / 356,919.23-534,327.03-312,632.48

Finding the Fourth Proportional to 356,919.23, 534,327.03 and 312,632.48

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Solution

The fourth proportional to 356,919.23, 534,327.03 and 312,632.48 is: 468,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,919.23 : 534,327.03 = 312,632.48 : x
  2. Step 2: Convert to fraction form
    356,919.23/534,327.03 = 312,632.48/x
  3. Step 3: Cross multiply
    356,919.23x = 534,327.03 × 312,632.48
  4. Step 4: Simplify right side
    356,919.23x = 167,047,982,850.16
  5. Step 5: Solve for x
    x = 167,047,982,850.16/356,919.23
  6. Step 6: Final answer
    x = 468,027.41

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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.