Home / 1,279,674.10-1,920,173.55-522,070.90

Finding the Fourth Proportional to 1,279,674.10, 1,920,173.55 and 522,070.90

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Solution

The fourth proportional to 1,279,674.10, 1,920,173.55 and 522,070.90 is: 783,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,674.10 : 1,920,173.55 = 522,070.90 : x
  2. Step 2: Convert to fraction form
    1,279,674.10/1,920,173.55 = 522,070.90/x
  3. Step 3: Cross multiply
    1,279,674.10x = 1,920,173.55 × 522,070.90
  4. Step 4: Simplify right side
    1,279,674.10x = 1,002,466,733,404.70
  5. Step 5: Solve for x
    x = 1,002,466,733,404.70/1,279,674.10
  6. Step 6: Final answer
    x = 783,376.59

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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.