Home / 740,764.92-1,022,255.64-401,233.26

Finding the Fourth Proportional to 740,764.92, 1,022,255.64 and 401,233.26

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Solution

The fourth proportional to 740,764.92, 1,022,255.64 and 401,233.26 is: 553,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,764.92 : 1,022,255.64 = 401,233.26 : x
  2. Step 2: Convert to fraction form
    740,764.92/1,022,255.64 = 401,233.26/x
  3. Step 3: Cross multiply
    740,764.92x = 1,022,255.64 × 401,233.26
  4. Step 4: Simplify right side
    740,764.92x = 410,162,962,990.59
  5. Step 5: Solve for x
    x = 410,162,962,990.59/740,764.92
  6. Step 6: Final answer
    x = 553,701.93

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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.