Home / 868,814.88-1,198,996.96-486,827.52

Finding the Fourth Proportional to 868,814.88, 1,198,996.96 and 486,827.52

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Solution

The fourth proportional to 868,814.88, 1,198,996.96 and 486,827.52 is: 671,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,814.88 : 1,198,996.96 = 486,827.52 : x
  2. Step 2: Convert to fraction form
    868,814.88/1,198,996.96 = 486,827.52/x
  3. Step 3: Cross multiply
    868,814.88x = 1,198,996.96 × 486,827.52
  4. Step 4: Simplify right side
    868,814.88x = 583,704,716,524.34
  5. Step 5: Solve for x
    x = 583,704,716,524.34/868,814.88
  6. Step 6: Final answer
    x = 671,840.15

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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.