Home / 486,423.96-671,236.86-271,577.52

Finding the Fourth Proportional to 486,423.96, 671,236.86 and 271,577.52

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Solution

The fourth proportional to 486,423.96, 671,236.86 and 271,577.52 is: 374,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,423.96 : 671,236.86 = 271,577.52 : x
  2. Step 2: Convert to fraction form
    486,423.96/671,236.86 = 271,577.52/x
  3. Step 3: Cross multiply
    486,423.96x = 671,236.86 × 271,577.52
  4. Step 4: Simplify right side
    486,423.96x = 182,292,841,771.39
  5. Step 5: Solve for x
    x = 182,292,841,771.39/486,423.96
  6. Step 6: Final answer
    x = 374,761.23

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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.