Home / 751,206.76-1,036,660.08-411,667.72

Finding the Fourth Proportional to 751,206.76, 1,036,660.08 and 411,667.72

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Solution

The fourth proportional to 751,206.76, 1,036,660.08 and 411,667.72 is: 568,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,206.76 : 1,036,660.08 = 411,667.72 : x
  2. Step 2: Convert to fraction form
    751,206.76/1,036,660.08 = 411,667.72/x
  3. Step 3: Cross multiply
    751,206.76x = 1,036,660.08 × 411,667.72
  4. Step 4: Simplify right side
    751,206.76x = 426,759,491,548.62
  5. Step 5: Solve for x
    x = 426,759,491,548.62/751,206.76
  6. Step 6: Final answer
    x = 568,098.58

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.