Home / 863,399.60-1,295,099.40-531,162.80

Finding the Fourth Proportional to 863,399.60, 1,295,099.40 and 531,162.80

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Solution

The fourth proportional to 863,399.60, 1,295,099.40 and 531,162.80 is: 796,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,399.60 : 1,295,099.40 = 531,162.80 : x
  2. Step 2: Convert to fraction form
    863,399.60/1,295,099.40 = 531,162.80/x
  3. Step 3: Cross multiply
    863,399.60x = 1,295,099.40 × 531,162.80
  4. Step 4: Simplify right side
    863,399.60x = 687,908,623,582.32
  5. Step 5: Solve for x
    x = 687,908,623,582.32/863,399.60
  6. Step 6: Final answer
    x = 796,744.20

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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.