Home / 526,943.48-727,183.17-285,228.14

Finding the Fourth Proportional to 526,943.48, 727,183.17 and 285,228.14

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Solution

The fourth proportional to 526,943.48, 727,183.17 and 285,228.14 is: 393,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,943.48 : 727,183.17 = 285,228.14 : x
  2. Step 2: Convert to fraction form
    526,943.48/727,183.17 = 285,228.14/x
  3. Step 3: Cross multiply
    526,943.48x = 727,183.17 × 285,228.14
  4. Step 4: Simplify right side
    526,943.48x = 207,413,099,382.49
  5. Step 5: Solve for x
    x = 207,413,099,382.49/526,943.48
  6. Step 6: Final answer
    x = 393,615.46

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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.