Home / 876,234.70-1,314,352.05-403,842.70

Finding the Fourth Proportional to 876,234.70, 1,314,352.05 and 403,842.70

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Solution

The fourth proportional to 876,234.70, 1,314,352.05 and 403,842.70 is: 605,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,234.70 : 1,314,352.05 = 403,842.70 : x
  2. Step 2: Convert to fraction form
    876,234.70/1,314,352.05 = 403,842.70/x
  3. Step 3: Cross multiply
    876,234.70x = 1,314,352.05 × 403,842.70
  4. Step 4: Simplify right side
    876,234.70x = 530,791,480,622.54
  5. Step 5: Solve for x
    x = 530,791,480,622.54/876,234.70
  6. Step 6: Final answer
    x = 605,764.05

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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.