Home / 1,114,936.40-1,672,404.60-404,987.60

Finding the Fourth Proportional to 1,114,936.40, 1,672,404.60 and 404,987.60

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Solution

The fourth proportional to 1,114,936.40, 1,672,404.60 and 404,987.60 is: 607,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,936.40 : 1,672,404.60 = 404,987.60 : x
  2. Step 2: Convert to fraction form
    1,114,936.40/1,672,404.60 = 404,987.60/x
  3. Step 3: Cross multiply
    1,114,936.40x = 1,672,404.60 × 404,987.60
  4. Step 4: Simplify right side
    1,114,936.40x = 677,303,125,182.96
  5. Step 5: Solve for x
    x = 677,303,125,182.96/1,114,936.40
  6. Step 6: Final answer
    x = 607,481.40

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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.