Home / 1,691,686.46-2,538,055.78-554,458.62

Finding the Fourth Proportional to 1,691,686.46, 2,538,055.78 and 554,458.62

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Solution

The fourth proportional to 1,691,686.46, 2,538,055.78 and 554,458.62 is: 831,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,686.46 : 2,538,055.78 = 554,458.62 : x
  2. Step 2: Convert to fraction form
    1,691,686.46/2,538,055.78 = 554,458.62/x
  3. Step 3: Cross multiply
    1,691,686.46x = 2,538,055.78 × 554,458.62
  4. Step 4: Simplify right side
    1,691,686.46x = 1,407,246,905,261.82
  5. Step 5: Solve for x
    x = 1,407,246,905,261.82/1,691,686.46
  6. Step 6: Final answer
    x = 831,860.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.