Home / 1,190,726.33-1,643,195.76-646,857.77

Finding the Fourth Proportional to 1,190,726.33, 1,643,195.76 and 646,857.77

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Solution

The fourth proportional to 1,190,726.33, 1,643,195.76 and 646,857.77 is: 892,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,726.33 : 1,643,195.76 = 646,857.77 : x
  2. Step 2: Convert to fraction form
    1,190,726.33/1,643,195.76 = 646,857.77/x
  3. Step 3: Cross multiply
    1,190,726.33x = 1,643,195.76 × 646,857.77
  4. Step 4: Simplify right side
    1,190,726.33x = 1,062,913,936,771.08
  5. Step 5: Solve for x
    x = 1,062,913,936,771.08/1,190,726.33
  6. Step 6: Final answer
    x = 892,660.15

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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.