Home / 853,861.14-1,280,100.51-355,598.10

Finding the Fourth Proportional to 853,861.14, 1,280,100.51 and 355,598.10

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Solution

The fourth proportional to 853,861.14, 1,280,100.51 and 355,598.10 is: 533,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,861.14 : 1,280,100.51 = 355,598.10 : x
  2. Step 2: Convert to fraction form
    853,861.14/1,280,100.51 = 355,598.10/x
  3. Step 3: Cross multiply
    853,861.14x = 1,280,100.51 × 355,598.10
  4. Step 4: Simplify right side
    853,861.14x = 455,201,309,165.03
  5. Step 5: Solve for x
    x = 455,201,309,165.03/853,861.14
  6. Step 6: Final answer
    x = 533,109.29

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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.