Home / 808,220.20-1,214,954.70-573,190.60

Finding the Fourth Proportional to 808,220.20, 1,214,954.70 and 573,190.60

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Solution

The fourth proportional to 808,220.20, 1,214,954.70 and 573,190.60 is: 861,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,220.20 : 1,214,954.70 = 573,190.60 : x
  2. Step 2: Convert to fraction form
    808,220.20/1,214,954.70 = 573,190.60/x
  3. Step 3: Cross multiply
    808,220.20x = 1,214,954.70 × 573,190.60
  4. Step 4: Simplify right side
    808,220.20x = 696,400,613,465.82
  5. Step 5: Solve for x
    x = 696,400,613,465.82/808,220.20
  6. Step 6: Final answer
    x = 861,647.13

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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.