Home / 1,187,112.81-1,780,473.60-334,243.56

Finding the Fourth Proportional to 1,187,112.81, 1,780,473.60 and 334,243.56

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Solution

The fourth proportional to 1,187,112.81, 1,780,473.60 and 334,243.56 is: 501,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,112.81 : 1,780,473.60 = 334,243.56 : x
  2. Step 2: Convert to fraction form
    1,187,112.81/1,780,473.60 = 334,243.56/x
  3. Step 3: Cross multiply
    1,187,112.81x = 1,780,473.60 × 334,243.56
  4. Step 4: Simplify right side
    1,187,112.81x = 595,111,834,550.02
  5. Step 5: Solve for x
    x = 595,111,834,550.02/1,187,112.81
  6. Step 6: Final answer
    x = 501,310.26

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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.