Home / 5,459,360.80-8,189,041.20-4,199,648.80

Finding the Fourth Proportional to 5,459,360.80, 8,189,041.20 and 4,199,648.80

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Solution

The fourth proportional to 5,459,360.80, 8,189,041.20 and 4,199,648.80 is: 6,299,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,360.80 : 8,189,041.20 = 4,199,648.80 : x
  2. Step 2: Convert to fraction form
    5,459,360.80/8,189,041.20 = 4,199,648.80/x
  3. Step 3: Cross multiply
    5,459,360.80x = 8,189,041.20 × 4,199,648.80
  4. Step 4: Simplify right side
    5,459,360.80x = 34,391,097,048,730.56
  5. Step 5: Solve for x
    x = 34,391,097,048,730.56/5,459,360.80
  6. Step 6: Final answer
    x = 6,299,473.20

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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.