Home / 1,001,230.20-1,502,009.10-327,115.80

Finding the Fourth Proportional to 1,001,230.20, 1,502,009.10 and 327,115.80

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Solution

The fourth proportional to 1,001,230.20, 1,502,009.10 and 327,115.80 is: 490,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,230.20 : 1,502,009.10 = 327,115.80 : x
  2. Step 2: Convert to fraction form
    1,001,230.20/1,502,009.10 = 327,115.80/x
  3. Step 3: Cross multiply
    1,001,230.20x = 1,502,009.10 × 327,115.80
  4. Step 4: Simplify right side
    1,001,230.20x = 491,330,908,353.78
  5. Step 5: Solve for x
    x = 491,330,908,353.78/1,001,230.20
  6. Step 6: Final answer
    x = 490,727.22

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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.