Home / 779,212.80-1,168,857.60-405,964.80

Finding the Fourth Proportional to 779,212.80, 1,168,857.60 and 405,964.80

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Solution

The fourth proportional to 779,212.80, 1,168,857.60 and 405,964.80 is: 608,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,212.80 : 1,168,857.60 = 405,964.80 : x
  2. Step 2: Convert to fraction form
    779,212.80/1,168,857.60 = 405,964.80/x
  3. Step 3: Cross multiply
    779,212.80x = 1,168,857.60 × 405,964.80
  4. Step 4: Simplify right side
    779,212.80x = 474,515,041,812.48
  5. Step 5: Solve for x
    x = 474,515,041,812.48/779,212.80
  6. Step 6: Final answer
    x = 608,967.21

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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.