Home / 624,220.08-935,936.46-343,934.16

Finding the Fourth Proportional to 624,220.08, 935,936.46 and 343,934.16

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Solution

The fourth proportional to 624,220.08, 935,936.46 and 343,934.16 is: 515,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,220.08 : 935,936.46 = 343,934.16 : x
  2. Step 2: Convert to fraction form
    624,220.08/935,936.46 = 343,934.16/x
  3. Step 3: Cross multiply
    624,220.08x = 935,936.46 × 343,934.16
  4. Step 4: Simplify right side
    624,220.08x = 321,900,520,183.47
  5. Step 5: Solve for x
    x = 321,900,520,183.47/624,220.08
  6. Step 6: Final answer
    x = 515,684.34

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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.