Home / 1,101,576.96-1,520,190.72-618,246.72

Finding the Fourth Proportional to 1,101,576.96, 1,520,190.72 and 618,246.72

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Solution

The fourth proportional to 1,101,576.96, 1,520,190.72 and 618,246.72 is: 853,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,576.96 : 1,520,190.72 = 618,246.72 : x
  2. Step 2: Convert to fraction form
    1,101,576.96/1,520,190.72 = 618,246.72/x
  3. Step 3: Cross multiply
    1,101,576.96x = 1,520,190.72 × 618,246.72
  4. Step 4: Simplify right side
    1,101,576.96x = 939,852,926,414.44
  5. Step 5: Solve for x
    x = 939,852,926,414.44/1,101,576.96
  6. Step 6: Final answer
    x = 853,188.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.