Home / 1,123,682.82-1,685,757.50-375,709.38

Finding the Fourth Proportional to 1,123,682.82, 1,685,757.50 and 375,709.38

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Solution

The fourth proportional to 1,123,682.82, 1,685,757.50 and 375,709.38 is: 563,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,682.82 : 1,685,757.50 = 375,709.38 : x
  2. Step 2: Convert to fraction form
    1,123,682.82/1,685,757.50 = 375,709.38/x
  3. Step 3: Cross multiply
    1,123,682.82x = 1,685,757.50 × 375,709.38
  4. Step 4: Simplify right side
    1,123,682.82x = 633,354,905,155.35
  5. Step 5: Solve for x
    x = 633,354,905,155.35/1,123,682.82
  6. Step 6: Final answer
    x = 563,642.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.