Home / 876,202.20-1,314,303.30-403,810.20

Finding the Fourth Proportional to 876,202.20, 1,314,303.30 and 403,810.20

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Solution

The fourth proportional to 876,202.20, 1,314,303.30 and 403,810.20 is: 605,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,202.20 : 1,314,303.30 = 403,810.20 : x
  2. Step 2: Convert to fraction form
    876,202.20/1,314,303.30 = 403,810.20/x
  3. Step 3: Cross multiply
    876,202.20x = 1,314,303.30 × 403,810.20
  4. Step 4: Simplify right side
    876,202.20x = 530,729,078,433.66
  5. Step 5: Solve for x
    x = 530,729,078,433.66/876,202.20
  6. Step 6: Final answer
    x = 605,715.30

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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.