Home / 756,145.35-1,134,218.06-223,624.92

Finding the Fourth Proportional to 756,145.35, 1,134,218.06 and 223,624.92

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Solution

The fourth proportional to 756,145.35, 1,134,218.06 and 223,624.92 is: 335,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,145.35 : 1,134,218.06 = 223,624.92 : x
  2. Step 2: Convert to fraction form
    756,145.35/1,134,218.06 = 223,624.92/x
  3. Step 3: Cross multiply
    756,145.35x = 1,134,218.06 × 223,624.92
  4. Step 4: Simplify right side
    756,145.35x = 253,639,422,930.06
  5. Step 5: Solve for x
    x = 253,639,422,930.06/756,145.35
  6. Step 6: Final answer
    x = 335,437.39

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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.