Home / 856,223.02-1,181,299.88-493,638.93

Finding the Fourth Proportional to 856,223.02, 1,181,299.88 and 493,638.93

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Solution

The fourth proportional to 856,223.02, 1,181,299.88 and 493,638.93 is: 681,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,223.02 : 1,181,299.88 = 493,638.93 : x
  2. Step 2: Convert to fraction form
    856,223.02/1,181,299.88 = 493,638.93/x
  3. Step 3: Cross multiply
    856,223.02x = 1,181,299.88 × 493,638.93
  4. Step 4: Simplify right side
    856,223.02x = 583,135,608,772.33
  5. Step 5: Solve for x
    x = 583,135,608,772.33/856,223.02
  6. Step 6: Final answer
    x = 681,055.75

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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.