Home / 1,190,851.53-1,643,366.23-646,991.77

Finding the Fourth Proportional to 1,190,851.53, 1,643,366.23 and 646,991.77

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Solution

The fourth proportional to 1,190,851.53, 1,643,366.23 and 646,991.77 is: 892,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,851.53 : 1,643,366.23 = 646,991.77 : x
  2. Step 2: Convert to fraction form
    1,190,851.53/1,643,366.23 = 646,991.77/x
  3. Step 3: Cross multiply
    1,190,851.53x = 1,643,366.23 × 646,991.77
  4. Step 4: Simplify right side
    1,190,851.53x = 1,063,244,425,905.93
  5. Step 5: Solve for x
    x = 1,063,244,425,905.93/1,190,851.53
  6. Step 6: Final answer
    x = 892,843.82

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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.