Home / 1,171,003.93-1,615,964.40-661,695.37

Finding the Fourth Proportional to 1,171,003.93, 1,615,964.40 and 661,695.37

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Solution

The fourth proportional to 1,171,003.93, 1,615,964.40 and 661,695.37 is: 913,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,003.93 : 1,615,964.40 = 661,695.37 : x
  2. Step 2: Convert to fraction form
    1,171,003.93/1,615,964.40 = 661,695.37/x
  3. Step 3: Cross multiply
    1,171,003.93x = 1,615,964.40 × 661,695.37
  4. Step 4: Simplify right side
    1,171,003.93x = 1,069,276,161,564.83
  5. Step 5: Solve for x
    x = 1,069,276,161,564.83/1,171,003.93
  6. Step 6: Final answer
    x = 913,127.73

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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.