Home / 400,923.44-601,423.16-112,734.45

Finding the Fourth Proportional to 400,923.44, 601,423.16 and 112,734.45

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Solution

The fourth proportional to 400,923.44, 601,423.16 and 112,734.45 is: 169,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,923.44 : 601,423.16 = 112,734.45 : x
  2. Step 2: Convert to fraction form
    400,923.44/601,423.16 = 112,734.45/x
  3. Step 3: Cross multiply
    400,923.44x = 601,423.16 × 112,734.45
  4. Step 4: Simplify right side
    400,923.44x = 67,801,109,230.32
  5. Step 5: Solve for x
    x = 67,801,109,230.32/400,923.44
  6. Step 6: Final answer
    x = 169,112.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.