Home / 465,917.80-698,531.10-199,460.20

Finding the Fourth Proportional to 465,917.80, 698,531.10 and 199,460.20

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Solution

The fourth proportional to 465,917.80, 698,531.10 and 199,460.20 is: 299,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,917.80 : 698,531.10 = 199,460.20 : x
  2. Step 2: Convert to fraction form
    465,917.80/698,531.10 = 199,460.20/x
  3. Step 3: Cross multiply
    465,917.80x = 698,531.10 × 199,460.20
  4. Step 4: Simplify right side
    465,917.80x = 139,329,152,912.22
  5. Step 5: Solve for x
    x = 139,329,152,912.22/465,917.80
  6. Step 6: Final answer
    x = 299,042.35

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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.