Home / 3,238,138.80-4,857,208.20-993,985.20

Finding the Fourth Proportional to 3,238,138.80, 4,857,208.20 and 993,985.20

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Solution

The fourth proportional to 3,238,138.80, 4,857,208.20 and 993,985.20 is: 1,490,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,138.80 : 4,857,208.20 = 993,985.20 : x
  2. Step 2: Convert to fraction form
    3,238,138.80/4,857,208.20 = 993,985.20/x
  3. Step 3: Cross multiply
    3,238,138.80x = 4,857,208.20 × 993,985.20
  4. Step 4: Simplify right side
    3,238,138.80x = 4,827,993,064,118.64
  5. Step 5: Solve for x
    x = 4,827,993,064,118.64/3,238,138.80
  6. Step 6: Final answer
    x = 1,490,977.80

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Double scale
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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.