Home / 381,847.20-569,979.26-354,093.36

Finding the Fourth Proportional to 381,847.20, 569,979.26 and 354,093.36

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Solution

The fourth proportional to 381,847.20, 569,979.26 and 354,093.36 is: 528,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,847.20 : 569,979.26 = 354,093.36 : x
  2. Step 2: Convert to fraction form
    381,847.20/569,979.26 = 354,093.36/x
  3. Step 3: Cross multiply
    381,847.20x = 569,979.26 × 354,093.36
  4. Step 4: Simplify right side
    381,847.20x = 201,825,869,533.25
  5. Step 5: Solve for x
    x = 201,825,869,533.25/381,847.20
  6. Step 6: Final answer
    x = 528,551.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.