Home / 1,227,983.61-1,842,172.25-518,116.22

Finding the Fourth Proportional to 1,227,983.61, 1,842,172.25 and 518,116.22

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Solution

The fourth proportional to 1,227,983.61, 1,842,172.25 and 518,116.22 is: 777,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,983.61 : 1,842,172.25 = 518,116.22 : x
  2. Step 2: Convert to fraction form
    1,227,983.61/1,842,172.25 = 518,116.22/x
  3. Step 3: Cross multiply
    1,227,983.61x = 1,842,172.25 × 518,116.22
  4. Step 4: Simplify right side
    1,227,983.61x = 954,459,310,957.45
  5. Step 5: Solve for x
    x = 954,459,310,957.45/1,227,983.61
  6. Step 6: Final answer
    x = 777,257.37

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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.