Home / 1,190,845.92-1,643,386.02-646,992.48

Finding the Fourth Proportional to 1,190,845.92, 1,643,386.02 and 646,992.48

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Solution

The fourth proportional to 1,190,845.92, 1,643,386.02 and 646,992.48 is: 892,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,845.92 : 1,643,386.02 = 646,992.48 : x
  2. Step 2: Convert to fraction form
    1,190,845.92/1,643,386.02 = 646,992.48/x
  3. Step 3: Cross multiply
    1,190,845.92x = 1,643,386.02 × 646,992.48
  4. Step 4: Simplify right side
    1,190,845.92x = 1,063,258,396,677.13
  5. Step 5: Solve for x
    x = 1,063,258,396,677.13/1,190,845.92
  6. Step 6: Final answer
    x = 892,859.76

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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.