Home / 571,571.36-857,357.05-192,460.35

Finding the Fourth Proportional to 571,571.36, 857,357.05 and 192,460.35

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Solution

The fourth proportional to 571,571.36, 857,357.05 and 192,460.35 is: 288,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,571.36 : 857,357.05 = 192,460.35 : x
  2. Step 2: Convert to fraction form
    571,571.36/857,357.05 = 192,460.35/x
  3. Step 3: Cross multiply
    571,571.36x = 857,357.05 × 192,460.35
  4. Step 4: Simplify right side
    571,571.36x = 165,007,237,917.97
  5. Step 5: Solve for x
    x = 165,007,237,917.97/571,571.36
  6. Step 6: Final answer
    x = 288,690.53

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Double scale
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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.