Home / 766,171.82-1,148,863.98-411,484.16

Finding the Fourth Proportional to 766,171.82, 1,148,863.98 and 411,484.16

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Solution

The fourth proportional to 766,171.82, 1,148,863.98 and 411,484.16 is: 617,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,171.82 : 1,148,863.98 = 411,484.16 : x
  2. Step 2: Convert to fraction form
    766,171.82/1,148,863.98 = 411,484.16/x
  3. Step 3: Cross multiply
    766,171.82x = 1,148,863.98 × 411,484.16
  4. Step 4: Simplify right side
    766,171.82x = 472,739,329,764.56
  5. Step 5: Solve for x
    x = 472,739,329,764.56/766,171.82
  6. Step 6: Final answer
    x = 617,014.77

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Double scale
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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.