Home / 740,724.75-1,022,200.16-401,193

Finding the Fourth Proportional to 740,724.75, 1,022,200.16 and 401,193

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Solution

The fourth proportional to 740,724.75, 1,022,200.16 and 401,193 is: 553,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,724.75 : 1,022,200.16 = 401,193 : x
  2. Step 2: Convert to fraction form
    740,724.75/1,022,200.16 = 401,193/x
  3. Step 3: Cross multiply
    740,724.75x = 1,022,200.16 × 401,193
  4. Step 4: Simplify right side
    740,724.75x = 410,099,546,784.92
  5. Step 5: Solve for x
    x = 410,099,546,784.92/740,724.75
  6. Step 6: Final answer
    x = 553,646.34

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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.