Home / 751,211.38-1,036,698.24-411,679.63

Finding the Fourth Proportional to 751,211.38, 1,036,698.24 and 411,679.63

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Solution

The fourth proportional to 751,211.38, 1,036,698.24 and 411,679.63 is: 568,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,211.38 : 1,036,698.24 = 411,679.63 : x
  2. Step 2: Convert to fraction form
    751,211.38/1,036,698.24 = 411,679.63/x
  3. Step 3: Cross multiply
    751,211.38x = 1,036,698.24 × 411,679.63
  4. Step 4: Simplify right side
    751,211.38x = 426,787,547,864.85
  5. Step 5: Solve for x
    x = 426,787,547,864.85/751,211.38
  6. Step 6: Final answer
    x = 568,132.43

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Half scale
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Double scale
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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.