Home / 521,198.52-719,255.34-282,734.52

Finding the Fourth Proportional to 521,198.52, 719,255.34 and 282,734.52

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Solution

The fourth proportional to 521,198.52, 719,255.34 and 282,734.52 is: 390,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,198.52 : 719,255.34 = 282,734.52 : x
  2. Step 2: Convert to fraction form
    521,198.52/719,255.34 = 282,734.52/x
  3. Step 3: Cross multiply
    521,198.52x = 719,255.34 × 282,734.52
  4. Step 4: Simplify right side
    521,198.52x = 203,358,313,312.34
  5. Step 5: Solve for x
    x = 203,358,313,312.34/521,198.52
  6. Step 6: Final answer
    x = 390,174.39

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1.5x scale

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.