Home / 526,869.37-727,073.44-285,146.20

Finding the Fourth Proportional to 526,869.37, 727,073.44 and 285,146.20

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Solution

The fourth proportional to 526,869.37, 727,073.44 and 285,146.20 is: 393,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,869.37 : 727,073.44 = 285,146.20 : x
  2. Step 2: Convert to fraction form
    526,869.37/727,073.44 = 285,146.20/x
  3. Step 3: Cross multiply
    526,869.37x = 727,073.44 × 285,146.20
  4. Step 4: Simplify right side
    526,869.37x = 207,322,228,536.93
  5. Step 5: Solve for x
    x = 207,322,228,536.93/526,869.37
  6. Step 6: Final answer
    x = 393,498.35

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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.