Home / 649,099.36-973,741.20-199,857.56

Finding the Fourth Proportional to 649,099.36, 973,741.20 and 199,857.56

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Solution

The fourth proportional to 649,099.36, 973,741.20 and 199,857.56 is: 299,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,099.36 : 973,741.20 = 199,857.56 : x
  2. Step 2: Convert to fraction form
    649,099.36/973,741.20 = 199,857.56/x
  3. Step 3: Cross multiply
    649,099.36x = 973,741.20 × 199,857.56
  4. Step 4: Simplify right side
    649,099.36x = 194,609,540,303.47
  5. Step 5: Solve for x
    x = 194,609,540,303.47/649,099.36
  6. Step 6: Final answer
    x = 299,814.72

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Double scale
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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.