Home / 486,490.12-671,276.26-271,595.52

Finding the Fourth Proportional to 486,490.12, 671,276.26 and 271,595.52

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Solution

The fourth proportional to 486,490.12, 671,276.26 and 271,595.52 is: 374,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,490.12 : 671,276.26 = 271,595.52 : x
  2. Step 2: Convert to fraction form
    486,490.12/671,276.26 = 271,595.52/x
  3. Step 3: Cross multiply
    486,490.12x = 671,276.26 × 271,595.52
  4. Step 4: Simplify right side
    486,490.12x = 182,315,624,898.36
  5. Step 5: Solve for x
    x = 182,315,624,898.36/486,490.12
  6. Step 6: Final answer
    x = 374,757.10

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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.