Home / 460,236.66-690,050.43-220,385.94

Finding the Fourth Proportional to 460,236.66, 690,050.43 and 220,385.94

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Solution

The fourth proportional to 460,236.66, 690,050.43 and 220,385.94 is: 330,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,236.66 : 690,050.43 = 220,385.94 : x
  2. Step 2: Convert to fraction form
    460,236.66/690,050.43 = 220,385.94/x
  3. Step 3: Cross multiply
    460,236.66x = 690,050.43 × 220,385.94
  4. Step 4: Simplify right side
    460,236.66x = 152,077,412,662.95
  5. Step 5: Solve for x
    x = 152,077,412,662.95/460,236.66
  6. Step 6: Final answer
    x = 330,433.07

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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.