Home / 694,980.20-1,043,144.40-335,404.20

Finding the Fourth Proportional to 694,980.20, 1,043,144.40 and 335,404.20

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Solution

The fourth proportional to 694,980.20, 1,043,144.40 and 335,404.20 is: 503,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,980.20 : 1,043,144.40 = 335,404.20 : x
  2. Step 2: Convert to fraction form
    694,980.20/1,043,144.40 = 335,404.20/x
  3. Step 3: Cross multiply
    694,980.20x = 1,043,144.40 × 335,404.20
  4. Step 4: Simplify right side
    694,980.20x = 349,875,012,966.48
  5. Step 5: Solve for x
    x = 349,875,012,966.48/694,980.20
  6. Step 6: Final answer
    x = 503,431.63

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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.