Home / 1,327,885.10-1,991,568.45-441,421.10

Finding the Fourth Proportional to 1,327,885.10, 1,991,568.45 and 441,421.10

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Solution

The fourth proportional to 1,327,885.10, 1,991,568.45 and 441,421.10 is: 662,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,885.10 : 1,991,568.45 = 441,421.10 : x
  2. Step 2: Convert to fraction form
    1,327,885.10/1,991,568.45 = 441,421.10/x
  3. Step 3: Cross multiply
    1,327,885.10x = 1,991,568.45 × 441,421.10
  4. Step 4: Simplify right side
    1,327,885.10x = 879,120,335,924.30
  5. Step 5: Solve for x
    x = 879,120,335,924.30/1,327,885.10
  6. Step 6: Final answer
    x = 662,045.49

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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.