Home / 527,027.19-727,297.77-285,309.77

Finding the Fourth Proportional to 527,027.19, 727,297.77 and 285,309.77

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Solution

The fourth proportional to 527,027.19, 727,297.77 and 285,309.77 is: 393,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,027.19 : 727,297.77 = 285,309.77 : x
  2. Step 2: Convert to fraction form
    527,027.19/727,297.77 = 285,309.77/x
  3. Step 3: Cross multiply
    527,027.19x = 727,297.77 × 285,309.77
  4. Step 4: Simplify right side
    527,027.19x = 207,505,155,843.72
  5. Step 5: Solve for x
    x = 207,505,155,843.72/527,027.19
  6. Step 6: Final answer
    x = 393,727.61

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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.