Home / 914,193.20-1,372,067.40-409,530.80

Finding the Fourth Proportional to 914,193.20, 1,372,067.40 and 409,530.80

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Solution

The fourth proportional to 914,193.20, 1,372,067.40 and 409,530.80 is: 614,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,193.20 : 1,372,067.40 = 409,530.80 : x
  2. Step 2: Convert to fraction form
    914,193.20/1,372,067.40 = 409,530.80/x
  3. Step 3: Cross multiply
    914,193.20x = 1,372,067.40 × 409,530.80
  4. Step 4: Simplify right side
    914,193.20x = 561,903,859,975.92
  5. Step 5: Solve for x
    x = 561,903,859,975.92/914,193.20
  6. Step 6: Final answer
    x = 614,644.54

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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.