Home / 470,725.20-706,087.80-171,215.55

Finding the Fourth Proportional to 470,725.20, 706,087.80 and 171,215.55

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Solution

The fourth proportional to 470,725.20, 706,087.80 and 171,215.55 is: 256,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,725.20 : 706,087.80 = 171,215.55 : x
  2. Step 2: Convert to fraction form
    470,725.20/706,087.80 = 171,215.55/x
  3. Step 3: Cross multiply
    470,725.20x = 706,087.80 × 171,215.55
  4. Step 4: Simplify right side
    470,725.20x = 120,893,211,025.29
  5. Step 5: Solve for x
    x = 120,893,211,025.29/470,725.20
  6. Step 6: Final answer
    x = 256,823.33

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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.