Home / 991,833.36-1,368,879.65-604,873.28

Finding the Fourth Proportional to 991,833.36, 1,368,879.65 and 604,873.28

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Solution

The fourth proportional to 991,833.36, 1,368,879.65 and 604,873.28 is: 834,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,833.36 : 1,368,879.65 = 604,873.28 : x
  2. Step 2: Convert to fraction form
    991,833.36/1,368,879.65 = 604,873.28/x
  3. Step 3: Cross multiply
    991,833.36x = 1,368,879.65 × 604,873.28
  4. Step 4: Simplify right side
    991,833.36x = 827,998,713,951.99
  5. Step 5: Solve for x
    x = 827,998,713,951.99/991,833.36
  6. Step 6: Final answer
    x = 834,816.36

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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.