Home / 1,615,628.24-2,229,616.72-927,425.81

Finding the Fourth Proportional to 1,615,628.24, 2,229,616.72 and 927,425.81

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Solution

The fourth proportional to 1,615,628.24, 2,229,616.72 and 927,425.81 is: 1,279,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,628.24 : 2,229,616.72 = 927,425.81 : x
  2. Step 2: Convert to fraction form
    1,615,628.24/2,229,616.72 = 927,425.81/x
  3. Step 3: Cross multiply
    1,615,628.24x = 2,229,616.72 × 927,425.81
  4. Step 4: Simplify right side
    1,615,628.24x = 2,067,804,091,693.83
  5. Step 5: Solve for x
    x = 2,067,804,091,693.83/1,615,628.24
  6. Step 6: Final answer
    x = 1,279,876.18

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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.