Home / 1,198,644.68-1,654,179.93-689,347.46

Finding the Fourth Proportional to 1,198,644.68, 1,654,179.93 and 689,347.46

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Solution

The fourth proportional to 1,198,644.68, 1,654,179.93 and 689,347.46 is: 951,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,644.68 : 1,654,179.93 = 689,347.46 : x
  2. Step 2: Convert to fraction form
    1,198,644.68/1,654,179.93 = 689,347.46/x
  3. Step 3: Cross multiply
    1,198,644.68x = 1,654,179.93 × 689,347.46
  4. Step 4: Simplify right side
    1,198,644.68x = 1,140,304,733,128.48
  5. Step 5: Solve for x
    x = 1,140,304,733,128.48/1,198,644.68
  6. Step 6: Final answer
    x = 951,328.41

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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.