Home / 790,305.62-1,185,458.48-191,266.88

Finding the Fourth Proportional to 790,305.62, 1,185,458.48 and 191,266.88

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Solution

The fourth proportional to 790,305.62, 1,185,458.48 and 191,266.88 is: 286,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,305.62 : 1,185,458.48 = 191,266.88 : x
  2. Step 2: Convert to fraction form
    790,305.62/1,185,458.48 = 191,266.88/x
  3. Step 3: Cross multiply
    790,305.62x = 1,185,458.48 × 191,266.88
  4. Step 4: Simplify right side
    790,305.62x = 226,738,944,839.14
  5. Step 5: Solve for x
    x = 226,738,944,839.14/790,305.62
  6. Step 6: Final answer
    x = 286,900.33

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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.