Home / 348,441.40-522,004.38-205,861.24

Finding the Fourth Proportional to 348,441.40, 522,004.38 and 205,861.24

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Solution

The fourth proportional to 348,441.40, 522,004.38 and 205,861.24 is: 308,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,441.40 : 522,004.38 = 205,861.24 : x
  2. Step 2: Convert to fraction form
    348,441.40/522,004.38 = 205,861.24/x
  3. Step 3: Cross multiply
    348,441.40x = 522,004.38 × 205,861.24
  4. Step 4: Simplify right side
    348,441.40x = 107,460,468,952.23
  5. Step 5: Solve for x
    x = 107,460,468,952.23/348,441.40
  6. Step 6: Final answer
    x = 308,403.28

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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.