Home / 621,615.84-857,833.20-367,092.60

Finding the Fourth Proportional to 621,615.84, 857,833.20 and 367,092.60

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Solution

The fourth proportional to 621,615.84, 857,833.20 and 367,092.60 is: 506,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,615.84 : 857,833.20 = 367,092.60 : x
  2. Step 2: Convert to fraction form
    621,615.84/857,833.20 = 367,092.60/x
  3. Step 3: Cross multiply
    621,615.84x = 857,833.20 × 367,092.60
  4. Step 4: Simplify right side
    621,615.84x = 314,904,219,754.32
  5. Step 5: Solve for x
    x = 314,904,219,754.32/621,615.84
  6. Step 6: Final answer
    x = 506,589.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.