Home / 853,770.48-1,280,353.64-374,231.04

Finding the Fourth Proportional to 853,770.48, 1,280,353.64 and 374,231.04

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Solution

The fourth proportional to 853,770.48, 1,280,353.64 and 374,231.04 is: 561,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,770.48 : 1,280,353.64 = 374,231.04 : x
  2. Step 2: Convert to fraction form
    853,770.48/1,280,353.64 = 374,231.04/x
  3. Step 3: Cross multiply
    853,770.48x = 1,280,353.64 × 374,231.04
  4. Step 4: Simplify right side
    853,770.48x = 479,148,074,264.99
  5. Step 5: Solve for x
    x = 479,148,074,264.99/853,770.48
  6. Step 6: Final answer
    x = 561,214.15

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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.