Home / 1,197,905.87-1,653,255.06-681,785.25

Finding the Fourth Proportional to 1,197,905.87, 1,653,255.06 and 681,785.25

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Solution

The fourth proportional to 1,197,905.87, 1,653,255.06 and 681,785.25 is: 940,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,905.87 : 1,653,255.06 = 681,785.25 : x
  2. Step 2: Convert to fraction form
    1,197,905.87/1,653,255.06 = 681,785.25/x
  3. Step 3: Cross multiply
    1,197,905.87x = 1,653,255.06 × 681,785.25
  4. Step 4: Simplify right side
    1,197,905.87x = 1,127,164,914,395.87
  5. Step 5: Solve for x
    x = 1,127,164,914,395.87/1,197,905.87
  6. Step 6: Final answer
    x = 940,946.15

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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.