Home / 683,538.48-943,310.08-393,149.58

Finding the Fourth Proportional to 683,538.48, 943,310.08 and 393,149.58

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Solution

The fourth proportional to 683,538.48, 943,310.08 and 393,149.58 is: 542,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,538.48 : 943,310.08 = 393,149.58 : x
  2. Step 2: Convert to fraction form
    683,538.48/943,310.08 = 393,149.58/x
  3. Step 3: Cross multiply
    683,538.48x = 943,310.08 × 393,149.58
  4. Step 4: Simplify right side
    683,538.48x = 370,861,961,761.77
  5. Step 5: Solve for x
    x = 370,861,961,761.77/683,538.48
  6. Step 6: Final answer
    x = 542,561.94

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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.