Home / 624,221.08-935,937.96-343,935.16

Finding the Fourth Proportional to 624,221.08, 935,937.96 and 343,935.16

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Solution

The fourth proportional to 624,221.08, 935,937.96 and 343,935.16 is: 515,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,221.08 : 935,937.96 = 343,935.16 : x
  2. Step 2: Convert to fraction form
    624,221.08/935,937.96 = 343,935.16/x
  3. Step 3: Cross multiply
    624,221.08x = 935,937.96 × 343,935.16
  4. Step 4: Simplify right side
    624,221.08x = 321,901,972,022.67
  5. Step 5: Solve for x
    x = 321,901,972,022.67/624,221.08
  6. Step 6: Final answer
    x = 515,685.84

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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.