Home / 539,022.80-808,534.20-290,190.80

Finding the Fourth Proportional to 539,022.80, 808,534.20 and 290,190.80

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Solution

The fourth proportional to 539,022.80, 808,534.20 and 290,190.80 is: 435,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022.80 : 808,534.20 = 290,190.80 : x
  2. Step 2: Convert to fraction form
    539,022.80/808,534.20 = 290,190.80/x
  3. Step 3: Cross multiply
    539,022.80x = 808,534.20 × 290,190.80
  4. Step 4: Simplify right side
    539,022.80x = 234,629,186,325.36
  5. Step 5: Solve for x
    x = 234,629,186,325.36/539,022.80
  6. Step 6: Final answer
    x = 435,286.20

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Similar ratio
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1.5x scale

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.