Home / 876,606.20-1,314,909.30-404,214.20

Finding the Fourth Proportional to 876,606.20, 1,314,909.30 and 404,214.20

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Solution

The fourth proportional to 876,606.20, 1,314,909.30 and 404,214.20 is: 606,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,606.20 : 1,314,909.30 = 404,214.20 : x
  2. Step 2: Convert to fraction form
    876,606.20/1,314,909.30 = 404,214.20/x
  3. Step 3: Cross multiply
    876,606.20x = 1,314,909.30 × 404,214.20
  4. Step 4: Simplify right side
    876,606.20x = 531,505,010,772.06
  5. Step 5: Solve for x
    x = 531,505,010,772.06/876,606.20
  6. Step 6: Final answer
    x = 606,321.30

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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.