Home / 1,228,071.68-1,842,355.92-518,101.28

Finding the Fourth Proportional to 1,228,071.68, 1,842,355.92 and 518,101.28

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Solution

The fourth proportional to 1,228,071.68, 1,842,355.92 and 518,101.28 is: 777,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,071.68 : 1,842,355.92 = 518,101.28 : x
  2. Step 2: Convert to fraction form
    1,228,071.68/1,842,355.92 = 518,101.28/x
  3. Step 3: Cross multiply
    1,228,071.68x = 1,842,355.92 × 518,101.28
  4. Step 4: Simplify right side
    1,228,071.68x = 954,526,960,367.58
  5. Step 5: Solve for x
    x = 954,526,960,367.58/1,228,071.68
  6. Step 6: Final answer
    x = 777,256.72

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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.