Home / 1,113,162.78-1,536,164.97-629,717.70

Finding the Fourth Proportional to 1,113,162.78, 1,536,164.97 and 629,717.70

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Solution

The fourth proportional to 1,113,162.78, 1,536,164.97 and 629,717.70 is: 869,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,162.78 : 1,536,164.97 = 629,717.70 : x
  2. Step 2: Convert to fraction form
    1,113,162.78/1,536,164.97 = 629,717.70/x
  3. Step 3: Cross multiply
    1,113,162.78x = 1,536,164.97 × 629,717.70
  4. Step 4: Simplify right side
    1,113,162.78x = 967,350,271,728.97
  5. Step 5: Solve for x
    x = 967,350,271,728.97/1,113,162.78
  6. Step 6: Final answer
    x = 869,010.61

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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.