Home / 1,292,637.28-1,783,910.28-719,664.88

Finding the Fourth Proportional to 1,292,637.28, 1,783,910.28 and 719,664.88

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Solution

The fourth proportional to 1,292,637.28, 1,783,910.28 and 719,664.88 is: 993,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,637.28 : 1,783,910.28 = 719,664.88 : x
  2. Step 2: Convert to fraction form
    1,292,637.28/1,783,910.28 = 719,664.88/x
  3. Step 3: Cross multiply
    1,292,637.28x = 1,783,910.28 × 719,664.88
  4. Step 4: Simplify right side
    1,292,637.28x = 1,283,817,577,586.97
  5. Step 5: Solve for x
    x = 1,283,817,577,586.97/1,292,637.28
  6. Step 6: Final answer
    x = 993,176.97

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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.