Home / 876,195.20-1,314,292.80-403,803.20

Finding the Fourth Proportional to 876,195.20, 1,314,292.80 and 403,803.20

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Solution

The fourth proportional to 876,195.20, 1,314,292.80 and 403,803.20 is: 605,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,195.20 : 1,314,292.80 = 403,803.20 : x
  2. Step 2: Convert to fraction form
    876,195.20/1,314,292.80 = 403,803.20/x
  3. Step 3: Cross multiply
    876,195.20x = 1,314,292.80 × 403,803.20
  4. Step 4: Simplify right side
    876,195.20x = 530,715,638,376.96
  5. Step 5: Solve for x
    x = 530,715,638,376.96/876,195.20
  6. Step 6: Final answer
    x = 605,704.80

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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.