Home / 1,001,150.74-1,501,412.10-327,078.46

Finding the Fourth Proportional to 1,001,150.74, 1,501,412.10 and 327,078.46

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Solution

The fourth proportional to 1,001,150.74, 1,501,412.10 and 327,078.46 is: 490,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,150.74 : 1,501,412.10 = 327,078.46 : x
  2. Step 2: Convert to fraction form
    1,001,150.74/1,501,412.10 = 327,078.46/x
  3. Step 3: Cross multiply
    1,001,150.74x = 1,501,412.10 × 327,078.46
  4. Step 4: Simplify right side
    1,001,150.74x = 491,079,557,493.37
  5. Step 5: Solve for x
    x = 491,079,557,493.37/1,001,150.74
  6. Step 6: Final answer
    x = 490,515.10

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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.