Home / 470,731.82-706,023.30-204,420.83

Finding the Fourth Proportional to 470,731.82, 706,023.30 and 204,420.83

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Solution

The fourth proportional to 470,731.82, 706,023.30 and 204,420.83 is: 306,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,731.82 : 706,023.30 = 204,420.83 : x
  2. Step 2: Convert to fraction form
    470,731.82/706,023.30 = 204,420.83/x
  3. Step 3: Cross multiply
    470,731.82x = 706,023.30 × 204,420.83
  4. Step 4: Simplify right side
    470,731.82x = 144,325,868,985.34
  5. Step 5: Solve for x
    x = 144,325,868,985.34/470,731.82
  6. Step 6: Final answer
    x = 306,598.92

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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.