Home / 1,040,490.72-1,560,861.09-366,432.75

Finding the Fourth Proportional to 1,040,490.72, 1,560,861.09 and 366,432.75

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Solution

The fourth proportional to 1,040,490.72, 1,560,861.09 and 366,432.75 is: 549,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,490.72 : 1,560,861.09 = 366,432.75 : x
  2. Step 2: Convert to fraction form
    1,040,490.72/1,560,861.09 = 366,432.75/x
  3. Step 3: Cross multiply
    1,040,490.72x = 1,560,861.09 × 366,432.75
  4. Step 4: Simplify right side
    1,040,490.72x = 571,950,621,576.70
  5. Step 5: Solve for x
    x = 571,950,621,576.70/1,040,490.72
  6. Step 6: Final answer
    x = 549,693.15

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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.