Home / 3,238,012.80-4,857,019.20-993,859.20

Finding the Fourth Proportional to 3,238,012.80, 4,857,019.20 and 993,859.20

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Solution

The fourth proportional to 3,238,012.80, 4,857,019.20 and 993,859.20 is: 1,490,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,012.80 : 4,857,019.20 = 993,859.20 : x
  2. Step 2: Convert to fraction form
    3,238,012.80/4,857,019.20 = 993,859.20/x
  3. Step 3: Cross multiply
    3,238,012.80x = 4,857,019.20 × 993,859.20
  4. Step 4: Simplify right side
    3,238,012.80x = 4,827,193,216,496.64
  5. Step 5: Solve for x
    x = 4,827,193,216,496.64/3,238,012.80
  6. Step 6: Final answer
    x = 1,490,788.80

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Similar ratio
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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.