Home / 1,156,736.09-1,596,243.31-640,453.43

Finding the Fourth Proportional to 1,156,736.09, 1,596,243.31 and 640,453.43

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Solution

The fourth proportional to 1,156,736.09, 1,596,243.31 and 640,453.43 is: 883,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,736.09 : 1,596,243.31 = 640,453.43 : x
  2. Step 2: Convert to fraction form
    1,156,736.09/1,596,243.31 = 640,453.43/x
  3. Step 3: Cross multiply
    1,156,736.09x = 1,596,243.31 × 640,453.43
  4. Step 4: Simplify right side
    1,156,736.09x = 1,022,319,505,393.53
  5. Step 5: Solve for x
    x = 1,022,319,505,393.53/1,156,736.09
  6. Step 6: Final answer
    x = 883,796.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.