Home / 878,848.03-1,212,819.84-516,287.17

Finding the Fourth Proportional to 878,848.03, 1,212,819.84 and 516,287.17

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Solution

The fourth proportional to 878,848.03, 1,212,819.84 and 516,287.17 is: 712,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,848.03 : 1,212,819.84 = 516,287.17 : x
  2. Step 2: Convert to fraction form
    878,848.03/1,212,819.84 = 516,287.17/x
  3. Step 3: Cross multiply
    878,848.03x = 1,212,819.84 × 516,287.17
  4. Step 4: Simplify right side
    878,848.03x = 626,163,322,913.45
  5. Step 5: Solve for x
    x = 626,163,322,913.45/878,848.03
  6. Step 6: Final answer
    x = 712,481.91

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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.