Home / 698,136.90-1,046,319.57-361,114.62

Finding the Fourth Proportional to 698,136.90, 1,046,319.57 and 361,114.62

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Solution

The fourth proportional to 698,136.90, 1,046,319.57 and 361,114.62 is: 541,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,136.90 : 1,046,319.57 = 361,114.62 : x
  2. Step 2: Convert to fraction form
    698,136.90/1,046,319.57 = 361,114.62/x
  3. Step 3: Cross multiply
    698,136.90x = 1,046,319.57 × 361,114.62
  4. Step 4: Simplify right side
    698,136.90x = 377,841,293,919.11
  5. Step 5: Solve for x
    x = 377,841,293,919.11/698,136.90
  6. Step 6: Final answer
    x = 541,213.76

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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.