Home / 1,116,775.92-1,675,717.44-442,842.80

Finding the Fourth Proportional to 1,116,775.92, 1,675,717.44 and 442,842.80

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Solution

The fourth proportional to 1,116,775.92, 1,675,717.44 and 442,842.80 is: 664,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,775.92 : 1,675,717.44 = 442,842.80 : x
  2. Step 2: Convert to fraction form
    1,116,775.92/1,675,717.44 = 442,842.80/x
  3. Step 3: Cross multiply
    1,116,775.92x = 1,675,717.44 × 442,842.80
  4. Step 4: Simplify right side
    1,116,775.92x = 742,079,403,138.43
  5. Step 5: Solve for x
    x = 742,079,403,138.43/1,116,775.92
  6. Step 6: Final answer
    x = 664,483.71

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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.