Home / 683,926.38-943,789.04-377,986.95

Finding the Fourth Proportional to 683,926.38, 943,789.04 and 377,986.95

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Solution

The fourth proportional to 683,926.38, 943,789.04 and 377,986.95 is: 521,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,926.38 : 943,789.04 = 377,986.95 : x
  2. Step 2: Convert to fraction form
    683,926.38/943,789.04 = 377,986.95/x
  3. Step 3: Cross multiply
    683,926.38x = 943,789.04 × 377,986.95
  4. Step 4: Simplify right side
    683,926.38x = 356,739,938,783.09
  5. Step 5: Solve for x
    x = 356,739,938,783.09/683,926.38
  6. Step 6: Final answer
    x = 521,605.76

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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.