Home / 621,579.45-857,766.98-363,609.14

Finding the Fourth Proportional to 621,579.45, 857,766.98 and 363,609.14

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Solution

The fourth proportional to 621,579.45, 857,766.98 and 363,609.14 is: 501,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,579.45 : 857,766.98 = 363,609.14 : x
  2. Step 2: Convert to fraction form
    621,579.45/857,766.98 = 363,609.14/x
  3. Step 3: Cross multiply
    621,579.45x = 857,766.98 × 363,609.14
  4. Step 4: Simplify right side
    621,579.45x = 311,891,907,811.32
  5. Step 5: Solve for x
    x = 311,891,907,811.32/621,579.45
  6. Step 6: Final answer
    x = 501,773.20

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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.