Home / 470,768.22-706,139.28-171,254.34

Finding the Fourth Proportional to 470,768.22, 706,139.28 and 171,254.34

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Solution

The fourth proportional to 470,768.22, 706,139.28 and 171,254.34 is: 256,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,768.22 : 706,139.28 = 171,254.34 : x
  2. Step 2: Convert to fraction form
    470,768.22/706,139.28 = 171,254.34/x
  3. Step 3: Cross multiply
    470,768.22x = 706,139.28 × 171,254.34
  4. Step 4: Simplify right side
    470,768.22x = 120,929,416,344.48
  5. Step 5: Solve for x
    x = 120,929,416,344.48/470,768.22
  6. Step 6: Final answer
    x = 256,876.76

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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.