Home / 1,123,684.82-1,685,760.50-375,711.38

Finding the Fourth Proportional to 1,123,684.82, 1,685,760.50 and 375,711.38

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Solution

The fourth proportional to 1,123,684.82, 1,685,760.50 and 375,711.38 is: 563,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,684.82 : 1,685,760.50 = 375,711.38 : x
  2. Step 2: Convert to fraction form
    1,123,684.82/1,685,760.50 = 375,711.38/x
  3. Step 3: Cross multiply
    1,123,684.82x = 1,685,760.50 × 375,711.38
  4. Step 4: Simplify right side
    1,123,684.82x = 633,359,403,804.49
  5. Step 5: Solve for x
    x = 633,359,403,804.49/1,123,684.82
  6. Step 6: Final answer
    x = 563,645.07

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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.