Home / 830,412.20-1,245,618.30-531,230.60

Finding the Fourth Proportional to 830,412.20, 1,245,618.30 and 531,230.60

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Solution

The fourth proportional to 830,412.20, 1,245,618.30 and 531,230.60 is: 796,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,412.20 : 1,245,618.30 = 531,230.60 : x
  2. Step 2: Convert to fraction form
    830,412.20/1,245,618.30 = 531,230.60/x
  3. Step 3: Cross multiply
    830,412.20x = 1,245,618.30 × 531,230.60
  4. Step 4: Simplify right side
    830,412.20x = 661,710,556,879.98
  5. Step 5: Solve for x
    x = 661,710,556,879.98/830,412.20
  6. Step 6: Final answer
    x = 796,845.90

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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.