Home / 1,918,757.04-2,878,096.03-639,457.41

Finding the Fourth Proportional to 1,918,757.04, 2,878,096.03 and 639,457.41

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Solution

The fourth proportional to 1,918,757.04, 2,878,096.03 and 639,457.41 is: 959,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,757.04 : 2,878,096.03 = 639,457.41 : x
  2. Step 2: Convert to fraction form
    1,918,757.04/2,878,096.03 = 639,457.41/x
  3. Step 3: Cross multiply
    1,918,757.04x = 2,878,096.03 × 639,457.41
  4. Step 4: Simplify right side
    1,918,757.04x = 1,840,419,842,269.30
  5. Step 5: Solve for x
    x = 1,840,419,842,269.30/1,918,757.04
  6. Step 6: Final answer
    x = 959,172.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.