Home / 526,837.89-727,037.17-285,120.68

Finding the Fourth Proportional to 526,837.89, 727,037.17 and 285,120.68

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Solution

The fourth proportional to 526,837.89, 727,037.17 and 285,120.68 is: 393,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,837.89 : 727,037.17 = 285,120.68 : x
  2. Step 2: Convert to fraction form
    526,837.89/727,037.17 = 285,120.68/x
  3. Step 3: Cross multiply
    526,837.89x = 727,037.17 × 285,120.68
  4. Step 4: Simplify right side
    526,837.89x = 207,293,327,947.69
  5. Step 5: Solve for x
    x = 207,293,327,947.69/526,837.89
  6. Step 6: Final answer
    x = 393,467.01

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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.