Home / 1,693,376.15-2,336,860.31-919,006.79

Finding the Fourth Proportional to 1,693,376.15, 2,336,860.31 and 919,006.79

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Solution

The fourth proportional to 1,693,376.15, 2,336,860.31 and 919,006.79 is: 1,268,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,376.15 : 2,336,860.31 = 919,006.79 : x
  2. Step 2: Convert to fraction form
    1,693,376.15/2,336,860.31 = 919,006.79/x
  3. Step 3: Cross multiply
    1,693,376.15x = 2,336,860.31 × 919,006.79
  4. Step 4: Simplify right side
    1,693,376.15x = 2,147,590,475,892.17
  5. Step 5: Solve for x
    x = 2,147,590,475,892.17/1,693,376.15
  6. Step 6: Final answer
    x = 1,268,230.02

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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.