Home / 352,780.95-486,877.32-199,829.46

Finding the Fourth Proportional to 352,780.95, 486,877.32 and 199,829.46

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Solution

The fourth proportional to 352,780.95, 486,877.32 and 199,829.46 is: 275,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,780.95 : 486,877.32 = 199,829.46 : x
  2. Step 2: Convert to fraction form
    352,780.95/486,877.32 = 199,829.46/x
  3. Step 3: Cross multiply
    352,780.95x = 486,877.32 × 199,829.46
  4. Step 4: Simplify right side
    352,780.95x = 97,292,431,941.85
  5. Step 5: Solve for x
    x = 97,292,431,941.85/352,780.95
  6. Step 6: Final answer
    x = 275,787.09

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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.