Home / 876,621.80-1,314,932.70-561,693.80

Finding the Fourth Proportional to 876,621.80, 1,314,932.70 and 561,693.80

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Solution

The fourth proportional to 876,621.80, 1,314,932.70 and 561,693.80 is: 842,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,621.80 : 1,314,932.70 = 561,693.80 : x
  2. Step 2: Convert to fraction form
    876,621.80/1,314,932.70 = 561,693.80/x
  3. Step 3: Cross multiply
    876,621.80x = 1,314,932.70 × 561,693.80
  4. Step 4: Simplify right side
    876,621.80x = 738,589,545,007.26
  5. Step 5: Solve for x
    x = 738,589,545,007.26/876,621.80
  6. Step 6: Final answer
    x = 842,540.70

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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.