Home / 719,991.40-1,079,987.10-531,034.60

Finding the Fourth Proportional to 719,991.40, 1,079,987.10 and 531,034.60

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Solution

The fourth proportional to 719,991.40, 1,079,987.10 and 531,034.60 is: 796,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,991.40 : 1,079,987.10 = 531,034.60 : x
  2. Step 2: Convert to fraction form
    719,991.40/1,079,987.10 = 531,034.60/x
  3. Step 3: Cross multiply
    719,991.40x = 1,079,987.10 × 531,034.60
  4. Step 4: Simplify right side
    719,991.40x = 573,510,517,653.66
  5. Step 5: Solve for x
    x = 573,510,517,653.66/719,991.40
  6. Step 6: Final answer
    x = 796,551.90

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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.