Home / 2,840,919.40-4,261,379.10-711,000.10

Finding the Fourth Proportional to 2,840,919.40, 4,261,379.10 and 711,000.10

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Solution

The fourth proportional to 2,840,919.40, 4,261,379.10 and 711,000.10 is: 1,066,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,919.40 : 4,261,379.10 = 711,000.10 : x
  2. Step 2: Convert to fraction form
    2,840,919.40/4,261,379.10 = 711,000.10/x
  3. Step 3: Cross multiply
    2,840,919.40x = 4,261,379.10 × 711,000.10
  4. Step 4: Simplify right side
    2,840,919.40x = 3,029,840,966,237.91
  5. Step 5: Solve for x
    x = 3,029,840,966,237.91/2,840,919.40
  6. Step 6: Final answer
    x = 1,066,500.15

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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.