Home / 619,731.14-929,289.72-220,312.04

Finding the Fourth Proportional to 619,731.14, 929,289.72 and 220,312.04

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Solution

The fourth proportional to 619,731.14, 929,289.72 and 220,312.04 is: 330,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,731.14 : 929,289.72 = 220,312.04 : x
  2. Step 2: Convert to fraction form
    619,731.14/929,289.72 = 220,312.04/x
  3. Step 3: Cross multiply
    619,731.14x = 929,289.72 × 220,312.04
  4. Step 4: Simplify right side
    619,731.14x = 204,733,713,964.23
  5. Step 5: Solve for x
    x = 204,733,713,964.23/619,731.14
  6. Step 6: Final answer
    x = 330,358.93

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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.