Home / 470,715.04-706,383.60-221,416.48

Finding the Fourth Proportional to 470,715.04, 706,383.60 and 221,416.48

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Solution

The fourth proportional to 470,715.04, 706,383.60 and 221,416.48 is: 332,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,715.04 : 706,383.60 = 221,416.48 : x
  2. Step 2: Convert to fraction form
    470,715.04/706,383.60 = 221,416.48/x
  3. Step 3: Cross multiply
    470,715.04x = 706,383.60 × 221,416.48
  4. Step 4: Simplify right side
    470,715.04x = 156,404,970,241.73
  5. Step 5: Solve for x
    x = 156,404,970,241.73/470,715.04
  6. Step 6: Final answer
    x = 332,271.03

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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.