Home / 1,394,939.94-1,924,521.51-911,783.58

Finding the Fourth Proportional to 1,394,939.94, 1,924,521.51 and 911,783.58

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Solution

The fourth proportional to 1,394,939.94, 1,924,521.51 and 911,783.58 is: 1,257,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,939.94 : 1,924,521.51 = 911,783.58 : x
  2. Step 2: Convert to fraction form
    1,394,939.94/1,924,521.51 = 911,783.58/x
  3. Step 3: Cross multiply
    1,394,939.94x = 1,924,521.51 × 911,783.58
  4. Step 4: Simplify right side
    1,394,939.94x = 1,754,747,112,174.81
  5. Step 5: Solve for x
    x = 1,754,747,112,174.81/1,394,939.94
  6. Step 6: Final answer
    x = 1,257,937.39

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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.