Home / 1,224,996.48-1,690,571.52-681,253.74

Finding the Fourth Proportional to 1,224,996.48, 1,690,571.52 and 681,253.74

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Solution

The fourth proportional to 1,224,996.48, 1,690,571.52 and 681,253.74 is: 940,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,996.48 : 1,690,571.52 = 681,253.74 : x
  2. Step 2: Convert to fraction form
    1,224,996.48/1,690,571.52 = 681,253.74/x
  3. Step 3: Cross multiply
    1,224,996.48x = 1,690,571.52 × 681,253.74
  4. Step 4: Simplify right side
    1,224,996.48x = 1,151,708,170,737.48
  5. Step 5: Solve for x
    x = 1,151,708,170,737.48/1,224,996.48
  6. Step 6: Final answer
    x = 940,172.64

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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.