Home / 755,831.52-1,043,067.26-411,680.50

Finding the Fourth Proportional to 755,831.52, 1,043,067.26 and 411,680.50

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Solution

The fourth proportional to 755,831.52, 1,043,067.26 and 411,680.50 is: 568,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,831.52 : 1,043,067.26 = 411,680.50 : x
  2. Step 2: Convert to fraction form
    755,831.52/1,043,067.26 = 411,680.50/x
  3. Step 3: Cross multiply
    755,831.52x = 1,043,067.26 × 411,680.50
  4. Step 4: Simplify right side
    755,831.52x = 429,410,449,551.96
  5. Step 5: Solve for x
    x = 429,410,449,551.96/755,831.52
  6. Step 6: Final answer
    x = 568,129.85

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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.