Home / 983,213.48-1,474,824.90-343,514.54

Finding the Fourth Proportional to 983,213.48, 1,474,824.90 and 343,514.54

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Solution

The fourth proportional to 983,213.48, 1,474,824.90 and 343,514.54 is: 515,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,213.48 : 1,474,824.90 = 343,514.54 : x
  2. Step 2: Convert to fraction form
    983,213.48/1,474,824.90 = 343,514.54/x
  3. Step 3: Cross multiply
    983,213.48x = 1,474,824.90 × 343,514.54
  4. Step 4: Simplify right side
    983,213.48x = 506,623,797,104.05
  5. Step 5: Solve for x
    x = 506,623,797,104.05/983,213.48
  6. Step 6: Final answer
    x = 515,273.45

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1.5x scale

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.