Home / 1,170,447.78-1,615,217.94-633,903.78

Finding the Fourth Proportional to 1,170,447.78, 1,615,217.94 and 633,903.78

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Solution

The fourth proportional to 1,170,447.78, 1,615,217.94 and 633,903.78 is: 874,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,447.78 : 1,615,217.94 = 633,903.78 : x
  2. Step 2: Convert to fraction form
    1,170,447.78/1,615,217.94 = 633,903.78/x
  3. Step 3: Cross multiply
    1,170,447.78x = 1,615,217.94 × 633,903.78
  4. Step 4: Simplify right side
    1,170,447.78x = 1,023,892,757,689.81
  5. Step 5: Solve for x
    x = 1,023,892,757,689.81/1,170,447.78
  6. Step 6: Final answer
    x = 874,787.22

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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.