Home / 1,243,717.38-1,866,581.19-644,849.82

Finding the Fourth Proportional to 1,243,717.38, 1,866,581.19 and 644,849.82

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Solution

The fourth proportional to 1,243,717.38, 1,866,581.19 and 644,849.82 is: 967,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,717.38 : 1,866,581.19 = 644,849.82 : x
  2. Step 2: Convert to fraction form
    1,243,717.38/1,866,581.19 = 644,849.82/x
  3. Step 3: Cross multiply
    1,243,717.38x = 1,866,581.19 × 644,849.82
  4. Step 4: Simplify right side
    1,243,717.38x = 1,203,664,544,386.89
  5. Step 5: Solve for x
    x = 1,203,664,544,386.89/1,243,717.38
  6. Step 6: Final answer
    x = 967,795.87

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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.