Home / 1,151,426.40-1,588,969.92-635,168.64

Finding the Fourth Proportional to 1,151,426.40, 1,588,969.92 and 635,168.64

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Solution

The fourth proportional to 1,151,426.40, 1,588,969.92 and 635,168.64 is: 876,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,426.40 : 1,588,969.92 = 635,168.64 : x
  2. Step 2: Convert to fraction form
    1,151,426.40/1,588,969.92 = 635,168.64/x
  3. Step 3: Cross multiply
    1,151,426.40x = 1,588,969.92 × 635,168.64
  4. Step 4: Simplify right side
    1,151,426.40x = 1,009,263,863,087.31
  5. Step 5: Solve for x
    x = 1,009,263,863,087.31/1,151,426.40
  6. Step 6: Final answer
    x = 876,533.54

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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.