Home / 1,683,296.88-2,322,913.80-919,353.48

Finding the Fourth Proportional to 1,683,296.88, 2,322,913.80 and 919,353.48

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Solution

The fourth proportional to 1,683,296.88, 2,322,913.80 and 919,353.48 is: 1,268,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,296.88 : 2,322,913.80 = 919,353.48 : x
  2. Step 2: Convert to fraction form
    1,683,296.88/2,322,913.80 = 919,353.48/x
  3. Step 3: Cross multiply
    1,683,296.88x = 2,322,913.80 × 919,353.48
  4. Step 4: Simplify right side
    1,683,296.88x = 2,135,578,885,770.02
  5. Step 5: Solve for x
    x = 2,135,578,885,770.02/1,683,296.88
  6. Step 6: Final answer
    x = 1,268,688.20

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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.