Home / 526,819.79-727,011.38-285,102.43

Finding the Fourth Proportional to 526,819.79, 727,011.38 and 285,102.43

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Solution

The fourth proportional to 526,819.79, 727,011.38 and 285,102.43 is: 393,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,819.79 : 727,011.38 = 285,102.43 : x
  2. Step 2: Convert to fraction form
    526,819.79/727,011.38 = 285,102.43/x
  3. Step 3: Cross multiply
    526,819.79x = 727,011.38 × 285,102.43
  4. Step 4: Simplify right side
    526,819.79x = 207,272,709,970.88
  5. Step 5: Solve for x
    x = 207,272,709,970.88/526,819.79
  6. Step 6: Final answer
    x = 393,441.39

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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.