Home / 680,878.44-938,733.96-557,913.56

Finding the Fourth Proportional to 680,878.44, 938,733.96 and 557,913.56

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Solution

The fourth proportional to 680,878.44, 938,733.96 and 557,913.56 is: 769,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,878.44 : 938,733.96 = 557,913.56 : x
  2. Step 2: Convert to fraction form
    680,878.44/938,733.96 = 557,913.56/x
  3. Step 3: Cross multiply
    680,878.44x = 938,733.96 × 557,913.56
  4. Step 4: Simplify right side
    680,878.44x = 523,732,405,516.50
  5. Step 5: Solve for x
    x = 523,732,405,516.50/680,878.44
  6. Step 6: Final answer
    x = 769,201.04

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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.