Home / 1,609,514.40-2,414,271.12-411,439.20

Finding the Fourth Proportional to 1,609,514.40, 2,414,271.12 and 411,439.20

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Solution

The fourth proportional to 1,609,514.40, 2,414,271.12 and 411,439.20 is: 617,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,514.40 : 2,414,271.12 = 411,439.20 : x
  2. Step 2: Convert to fraction form
    1,609,514.40/2,414,271.12 = 411,439.20/x
  3. Step 3: Cross multiply
    1,609,514.40x = 2,414,271.12 × 411,439.20
  4. Step 4: Simplify right side
    1,609,514.40x = 993,325,778,195.90
  5. Step 5: Solve for x
    x = 993,325,778,195.90/1,609,514.40
  6. Step 6: Final answer
    x = 617,158.68

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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.