Home / 447,965.40-671,267.70-329,070.36

Finding the Fourth Proportional to 447,965.40, 671,267.70 and 329,070.36

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Solution

The fourth proportional to 447,965.40, 671,267.70 and 329,070.36 is: 493,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,965.40 : 671,267.70 = 329,070.36 : x
  2. Step 2: Convert to fraction form
    447,965.40/671,267.70 = 329,070.36/x
  3. Step 3: Cross multiply
    447,965.40x = 671,267.70 × 329,070.36
  4. Step 4: Simplify right side
    447,965.40x = 220,894,303,695.37
  5. Step 5: Solve for x
    x = 220,894,303,695.37/447,965.40
  6. Step 6: Final answer
    x = 493,105.73

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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.