Home / 1,280,229.81-1,920,861.11-569,771.94

Finding the Fourth Proportional to 1,280,229.81, 1,920,861.11 and 569,771.94

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Solution

The fourth proportional to 1,280,229.81, 1,920,861.11 and 569,771.94 is: 854,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,229.81 : 1,920,861.11 = 569,771.94 : x
  2. Step 2: Convert to fraction form
    1,280,229.81/1,920,861.11 = 569,771.94/x
  3. Step 3: Cross multiply
    1,280,229.81x = 1,920,861.11 × 569,771.94
  4. Step 4: Simplify right side
    1,280,229.81x = 1,094,452,758,266.39
  5. Step 5: Solve for x
    x = 1,094,452,758,266.39/1,280,229.81
  6. Step 6: Final answer
    x = 854,887.73

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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.