Home / 341,832.08-512,707.80-215,098.40

Finding the Fourth Proportional to 341,832.08, 512,707.80 and 215,098.40

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Solution

The fourth proportional to 341,832.08, 512,707.80 and 215,098.40 is: 322,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,832.08 : 512,707.80 = 215,098.40 : x
  2. Step 2: Convert to fraction form
    341,832.08/512,707.80 = 215,098.40/x
  3. Step 3: Cross multiply
    341,832.08x = 512,707.80 × 215,098.40
  4. Step 4: Simplify right side
    341,832.08x = 110,282,627,447.52
  5. Step 5: Solve for x
    x = 110,282,627,447.52/341,832.08
  6. Step 6: Final answer
    x = 322,622.23

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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.