Home / 851,005.80-1,274,823.90-551,694.60

Finding the Fourth Proportional to 851,005.80, 1,274,823.90 and 551,694.60

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Solution

The fourth proportional to 851,005.80, 1,274,823.90 and 551,694.60 is: 826,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,005.80 : 1,274,823.90 = 551,694.60 : x
  2. Step 2: Convert to fraction form
    851,005.80/1,274,823.90 = 551,694.60/x
  3. Step 3: Cross multiply
    851,005.80x = 1,274,823.90 × 551,694.60
  4. Step 4: Simplify right side
    851,005.80x = 703,313,461,580.94
  5. Step 5: Solve for x
    x = 703,313,461,580.94/851,005.80
  6. Step 6: Final answer
    x = 826,449.67

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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.