Home / 1,176,961-1,624,232.10-640,417

Finding the Fourth Proportional to 1,176,961, 1,624,232.10 and 640,417

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Solution

The fourth proportional to 1,176,961, 1,624,232.10 and 640,417 is: 883,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,961 : 1,624,232.10 = 640,417 : x
  2. Step 2: Convert to fraction form
    1,176,961/1,624,232.10 = 640,417/x
  3. Step 3: Cross multiply
    1,176,961x = 1,624,232.10 × 640,417
  4. Step 4: Simplify right side
    1,176,961x = 1,040,185,848,785.70
  5. Step 5: Solve for x
    x = 1,040,185,848,785.70/1,176,961
  6. Step 6: Final answer
    x = 883,789.56

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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.