Home / 1,672,949.46-2,308,691.25-909,015.78

Finding the Fourth Proportional to 1,672,949.46, 2,308,691.25 and 909,015.78

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Solution

The fourth proportional to 1,672,949.46, 2,308,691.25 and 909,015.78 is: 1,254,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,949.46 : 2,308,691.25 = 909,015.78 : x
  2. Step 2: Convert to fraction form
    1,672,949.46/2,308,691.25 = 909,015.78/x
  3. Step 3: Cross multiply
    1,672,949.46x = 2,308,691.25 × 909,015.78
  4. Step 4: Simplify right side
    1,672,949.46x = 2,098,636,777,397.93
  5. Step 5: Solve for x
    x = 2,098,636,777,397.93/1,672,949.46
  6. Step 6: Final answer
    x = 1,254,453.18

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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.