Home / 1,227,992.72-1,842,185.96-518,125.36

Finding the Fourth Proportional to 1,227,992.72, 1,842,185.96 and 518,125.36

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Solution

The fourth proportional to 1,227,992.72, 1,842,185.96 and 518,125.36 is: 777,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,992.72 : 1,842,185.96 = 518,125.36 : x
  2. Step 2: Convert to fraction form
    1,227,992.72/1,842,185.96 = 518,125.36/x
  3. Step 3: Cross multiply
    1,227,992.72x = 1,842,185.96 × 518,125.36
  4. Step 4: Simplify right side
    1,227,992.72x = 954,483,263,711.95
  5. Step 5: Solve for x
    x = 954,483,263,711.95/1,227,992.72
  6. Step 6: Final answer
    x = 777,271.11

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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.