Home / 486,215.43-671,161.18-365,704.73

Finding the Fourth Proportional to 486,215.43, 671,161.18 and 365,704.73

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Solution

The fourth proportional to 486,215.43, 671,161.18 and 365,704.73 is: 504,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,215.43 : 671,161.18 = 365,704.73 : x
  2. Step 2: Convert to fraction form
    486,215.43/671,161.18 = 365,704.73/x
  3. Step 3: Cross multiply
    486,215.43x = 671,161.18 × 365,704.73
  4. Step 4: Simplify right side
    486,215.43x = 245,446,818,118.38
  5. Step 5: Solve for x
    x = 245,446,818,118.38/486,215.43
  6. Step 6: Final answer
    x = 504,810.84

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1.5x scale

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.