Home / 1,229,216.02-1,696,194.48-685,301.02

Finding the Fourth Proportional to 1,229,216.02, 1,696,194.48 and 685,301.02

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Solution

The fourth proportional to 1,229,216.02, 1,696,194.48 and 685,301.02 is: 945,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,216.02 : 1,696,194.48 = 685,301.02 : x
  2. Step 2: Convert to fraction form
    1,229,216.02/1,696,194.48 = 685,301.02/x
  3. Step 3: Cross multiply
    1,229,216.02x = 1,696,194.48 × 685,301.02
  4. Step 4: Simplify right side
    1,229,216.02x = 1,162,403,807,262.37
  5. Step 5: Solve for x
    x = 1,162,403,807,262.37/1,229,216.02
  6. Step 6: Final answer
    x = 945,646.48

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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.