Home / 683,849.66-943,663.11-377,922.38

Finding the Fourth Proportional to 683,849.66, 943,663.11 and 377,922.38

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Solution

The fourth proportional to 683,849.66, 943,663.11 and 377,922.38 is: 521,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,849.66 : 943,663.11 = 377,922.38 : x
  2. Step 2: Convert to fraction form
    683,849.66/943,663.11 = 377,922.38/x
  3. Step 3: Cross multiply
    683,849.66x = 943,663.11 × 377,922.38
  4. Step 4: Simplify right side
    683,849.66x = 356,631,408,449.40
  5. Step 5: Solve for x
    x = 356,631,408,449.40/683,849.66
  6. Step 6: Final answer
    x = 521,505.57

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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.