Home / 591,686.13-816,327.39-336,856.89

Finding the Fourth Proportional to 591,686.13, 816,327.39 and 336,856.89

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Solution

The fourth proportional to 591,686.13, 816,327.39 and 336,856.89 is: 464,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,686.13 : 816,327.39 = 336,856.89 : x
  2. Step 2: Convert to fraction form
    591,686.13/816,327.39 = 336,856.89/x
  3. Step 3: Cross multiply
    591,686.13x = 816,327.39 × 336,856.89
  4. Step 4: Simplify right side
    591,686.13x = 274,985,505,817.22
  5. Step 5: Solve for x
    x = 274,985,505,817.22/591,686.13
  6. Step 6: Final answer
    x = 464,748.95

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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.