Home / 862,563.20-1,293,614.40-263,523.20

Finding the Fourth Proportional to 862,563.20, 1,293,614.40 and 263,523.20

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Solution

The fourth proportional to 862,563.20, 1,293,614.40 and 263,523.20 is: 395,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,563.20 : 1,293,614.40 = 263,523.20 : x
  2. Step 2: Convert to fraction form
    862,563.20/1,293,614.40 = 263,523.20/x
  3. Step 3: Cross multiply
    862,563.20x = 1,293,614.40 × 263,523.20
  4. Step 4: Simplify right side
    862,563.20x = 340,897,406,254.08
  5. Step 5: Solve for x
    x = 340,897,406,254.08/862,563.20
  6. Step 6: Final answer
    x = 395,214.41

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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.