Home / 379,560.64-569,321.46-113,323.36

Finding the Fourth Proportional to 379,560.64, 569,321.46 and 113,323.36

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Solution

The fourth proportional to 379,560.64, 569,321.46 and 113,323.36 is: 169,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,560.64 : 569,321.46 = 113,323.36 : x
  2. Step 2: Convert to fraction form
    379,560.64/569,321.46 = 113,323.36/x
  3. Step 3: Cross multiply
    379,560.64x = 569,321.46 × 113,323.36
  4. Step 4: Simplify right side
    379,560.64x = 64,517,420,767.31
  5. Step 5: Solve for x
    x = 64,517,420,767.31/379,560.64
  6. Step 6: Final answer
    x = 169,979.22

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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.