Home / 876,229.70-1,314,344.55-403,837.70

Finding the Fourth Proportional to 876,229.70, 1,314,344.55 and 403,837.70

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Solution

The fourth proportional to 876,229.70, 1,314,344.55 and 403,837.70 is: 605,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,229.70 : 1,314,344.55 = 403,837.70 : x
  2. Step 2: Convert to fraction form
    876,229.70/1,314,344.55 = 403,837.70/x
  3. Step 3: Cross multiply
    876,229.70x = 1,314,344.55 × 403,837.70
  4. Step 4: Simplify right side
    876,229.70x = 530,781,880,079.54
  5. Step 5: Solve for x
    x = 530,781,880,079.54/876,229.70
  6. Step 6: Final answer
    x = 605,756.55

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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.