Home / 1,111,213.56-1,665,676.20-437,021.55

Finding the Fourth Proportional to 1,111,213.56, 1,665,676.20 and 437,021.55

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Solution

The fourth proportional to 1,111,213.56, 1,665,676.20 and 437,021.55 is: 655,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,213.56 : 1,665,676.20 = 437,021.55 : x
  2. Step 2: Convert to fraction form
    1,111,213.56/1,665,676.20 = 437,021.55/x
  3. Step 3: Cross multiply
    1,111,213.56x = 1,665,676.20 × 437,021.55
  4. Step 4: Simplify right side
    1,111,213.56x = 727,936,394,722.11
  5. Step 5: Solve for x
    x = 727,936,394,722.11/1,111,213.56
  6. Step 6: Final answer
    x = 655,082.35

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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.