Home / 573,026.20-790,688.22-331,261.72

Finding the Fourth Proportional to 573,026.20, 790,688.22 and 331,261.72

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Solution

The fourth proportional to 573,026.20, 790,688.22 and 331,261.72 is: 457,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,026.20 : 790,688.22 = 331,261.72 : x
  2. Step 2: Convert to fraction form
    573,026.20/790,688.22 = 331,261.72/x
  3. Step 3: Cross multiply
    573,026.20x = 790,688.22 × 331,261.72
  4. Step 4: Simplify right side
    573,026.20x = 261,924,739,740.94
  5. Step 5: Solve for x
    x = 261,924,739,740.94/573,026.20
  6. Step 6: Final answer
    x = 457,090.34

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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.