Home / 4,328,165.40-6,492,248.10-4,143,874.20

Finding the Fourth Proportional to 4,328,165.40, 6,492,248.10 and 4,143,874.20

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Solution

The fourth proportional to 4,328,165.40, 6,492,248.10 and 4,143,874.20 is: 6,215,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328,165.40 : 6,492,248.10 = 4,143,874.20 : x
  2. Step 2: Convert to fraction form
    4,328,165.40/6,492,248.10 = 4,143,874.20/x
  3. Step 3: Cross multiply
    4,328,165.40x = 6,492,248.10 × 4,143,874.20
  4. Step 4: Simplify right side
    4,328,165.40x = 26,903,059,401,589.02
  5. Step 5: Solve for x
    x = 26,903,059,401,589.02/4,328,165.40
  6. Step 6: Final answer
    x = 6,215,811.30

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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.