Home / 809,777.41-1,212,308.86-424,612.92

Finding the Fourth Proportional to 809,777.41, 1,212,308.86 and 424,612.92

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Solution

The fourth proportional to 809,777.41, 1,212,308.86 and 424,612.92 is: 635,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,777.41 : 1,212,308.86 = 424,612.92 : x
  2. Step 2: Convert to fraction form
    809,777.41/1,212,308.86 = 424,612.92/x
  3. Step 3: Cross multiply
    809,777.41x = 1,212,308.86 × 424,612.92
  4. Step 4: Simplify right side
    809,777.41x = 514,761,999,378.78
  5. Step 5: Solve for x
    x = 514,761,999,378.78/809,777.41
  6. Step 6: Final answer
    x = 635,683.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.