Home / 348,041.24-521,530.44-258,863.48

Finding the Fourth Proportional to 348,041.24, 521,530.44 and 258,863.48

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Solution

The fourth proportional to 348,041.24, 521,530.44 and 258,863.48 is: 387,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,041.24 : 521,530.44 = 258,863.48 : x
  2. Step 2: Convert to fraction form
    348,041.24/521,530.44 = 258,863.48/x
  3. Step 3: Cross multiply
    348,041.24x = 521,530.44 × 258,863.48
  4. Step 4: Simplify right side
    348,041.24x = 135,005,184,624.33
  5. Step 5: Solve for x
    x = 135,005,184,624.33/348,041.24
  6. Step 6: Final answer
    x = 387,899.96

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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.