Home / 330,822.10-496,233.15-300,313.45

Finding the Fourth Proportional to 330,822.10, 496,233.15 and 300,313.45

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Solution

The fourth proportional to 330,822.10, 496,233.15 and 300,313.45 is: 450,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,822.10 : 496,233.15 = 300,313.45 : x
  2. Step 2: Convert to fraction form
    330,822.10/496,233.15 = 300,313.45/x
  3. Step 3: Cross multiply
    330,822.10x = 496,233.15 × 300,313.45
  4. Step 4: Simplify right side
    330,822.10x = 149,025,489,280.87
  5. Step 5: Solve for x
    x = 149,025,489,280.87/330,822.10
  6. Step 6: Final answer
    x = 450,470.18

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1.5x scale

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.