Home / 784,542.61-1,177,011.56-223,575.49

Finding the Fourth Proportional to 784,542.61, 1,177,011.56 and 223,575.49

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Solution

The fourth proportional to 784,542.61, 1,177,011.56 and 223,575.49 is: 335,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,542.61 : 1,177,011.56 = 223,575.49 : x
  2. Step 2: Convert to fraction form
    784,542.61/1,177,011.56 = 223,575.49/x
  3. Step 3: Cross multiply
    784,542.61x = 1,177,011.56 × 223,575.49
  4. Step 4: Simplify right side
    784,542.61x = 263,150,936,262.66
  5. Step 5: Solve for x
    x = 263,150,936,262.66/784,542.61
  6. Step 6: Final answer
    x = 335,419.56

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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.