Home / 1,394,904.43-1,924,967.13-783,058.38

Finding the Fourth Proportional to 1,394,904.43, 1,924,967.13 and 783,058.38

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Solution

The fourth proportional to 1,394,904.43, 1,924,967.13 and 783,058.38 is: 1,080,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,904.43 : 1,924,967.13 = 783,058.38 : x
  2. Step 2: Convert to fraction form
    1,394,904.43/1,924,967.13 = 783,058.38/x
  3. Step 3: Cross multiply
    1,394,904.43x = 1,924,967.13 × 783,058.38
  4. Step 4: Simplify right side
    1,394,904.43x = 1,507,361,642,371.05
  5. Step 5: Solve for x
    x = 1,507,361,642,371.05/1,394,904.43
  6. Step 6: Final answer
    x = 1,080,620.01

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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.