Home / 696,331.52-961,015.20-409,922.24

Finding the Fourth Proportional to 696,331.52, 961,015.20 and 409,922.24

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Solution

The fourth proportional to 696,331.52, 961,015.20 and 409,922.24 is: 565,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,331.52 : 961,015.20 = 409,922.24 : x
  2. Step 2: Convert to fraction form
    696,331.52/961,015.20 = 409,922.24/x
  3. Step 3: Cross multiply
    696,331.52x = 961,015.20 × 409,922.24
  4. Step 4: Simplify right side
    696,331.52x = 393,941,503,458.05
  5. Step 5: Solve for x
    x = 393,941,503,458.05/696,331.52
  6. Step 6: Final answer
    x = 565,738.43

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Half scale
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Double scale
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Similar ratio
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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.