Home / 651,162.20-976,743.30-414,674.60

Finding the Fourth Proportional to 651,162.20, 976,743.30 and 414,674.60

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Solution

The fourth proportional to 651,162.20, 976,743.30 and 414,674.60 is: 622,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,162.20 : 976,743.30 = 414,674.60 : x
  2. Step 2: Convert to fraction form
    651,162.20/976,743.30 = 414,674.60/x
  3. Step 3: Cross multiply
    651,162.20x = 976,743.30 × 414,674.60
  4. Step 4: Simplify right side
    651,162.20x = 405,030,637,230.18
  5. Step 5: Solve for x
    x = 405,030,637,230.18/651,162.20
  6. Step 6: Final answer
    x = 622,011.90

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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.