Home / 1,683,292.39-2,322,939.80-919,345.95

Finding the Fourth Proportional to 1,683,292.39, 2,322,939.80 and 919,345.95

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Solution

The fourth proportional to 1,683,292.39, 2,322,939.80 and 919,345.95 is: 1,268,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,292.39 : 2,322,939.80 = 919,345.95 : x
  2. Step 2: Convert to fraction form
    1,683,292.39/2,322,939.80 = 919,345.95/x
  3. Step 3: Cross multiply
    1,683,292.39x = 2,322,939.80 × 919,345.95
  4. Step 4: Simplify right side
    1,683,292.39x = 2,135,585,299,522.18
  5. Step 5: Solve for x
    x = 2,135,585,299,522.18/1,683,292.39
  6. Step 6: Final answer
    x = 1,268,695.39

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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.