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Finding the Fourth Proportional to 1,170,414, 1,615,171.32 and 633,870

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Solution

The fourth proportional to 1,170,414, 1,615,171.32 and 633,870 is: 874,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,414 : 1,615,171.32 = 633,870 : x
  2. Step 2: Convert to fraction form
    1,170,414/1,615,171.32 = 633,870/x
  3. Step 3: Cross multiply
    1,170,414x = 1,615,171.32 × 633,870
  4. Step 4: Simplify right side
    1,170,414x = 1,023,808,644,608.40
  5. Step 5: Solve for x
    x = 1,023,808,644,608.40/1,170,414
  6. Step 6: Final answer
    x = 874,740.60

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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.