Home / 698,572.80-1,047,859.20-225,273.60

Finding the Fourth Proportional to 698,572.80, 1,047,859.20 and 225,273.60

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Solution

The fourth proportional to 698,572.80, 1,047,859.20 and 225,273.60 is: 337,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,572.80 : 1,047,859.20 = 225,273.60 : x
  2. Step 2: Convert to fraction form
    698,572.80/1,047,859.20 = 225,273.60/x
  3. Step 3: Cross multiply
    698,572.80x = 1,047,859.20 × 225,273.60
  4. Step 4: Simplify right side
    698,572.80x = 236,055,014,277.12
  5. Step 5: Solve for x
    x = 236,055,014,277.12/698,572.80
  6. Step 6: Final answer
    x = 337,910.40

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Similar ratio
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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.