Home / 1,027,512.72-1,540,886.76-353,404.80

Finding the Fourth Proportional to 1,027,512.72, 1,540,886.76 and 353,404.80

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Solution

The fourth proportional to 1,027,512.72, 1,540,886.76 and 353,404.80 is: 529,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,512.72 : 1,540,886.76 = 353,404.80 : x
  2. Step 2: Convert to fraction form
    1,027,512.72/1,540,886.76 = 353,404.80/x
  3. Step 3: Cross multiply
    1,027,512.72x = 1,540,886.76 × 353,404.80
  4. Step 4: Simplify right side
    1,027,512.72x = 544,556,777,240.45
  5. Step 5: Solve for x
    x = 544,556,777,240.45/1,027,512.72
  6. Step 6: Final answer
    x = 529,975.70

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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.