Home / 664,504.40-996,909.24-191,193.68

Finding the Fourth Proportional to 664,504.40, 996,909.24 and 191,193.68

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Solution

The fourth proportional to 664,504.40, 996,909.24 and 191,193.68 is: 286,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,504.40 : 996,909.24 = 191,193.68 : x
  2. Step 2: Convert to fraction form
    664,504.40/996,909.24 = 191,193.68/x
  3. Step 3: Cross multiply
    664,504.40x = 996,909.24 × 191,193.68
  4. Step 4: Simplify right side
    664,504.40x = 190,602,746,221.60
  5. Step 5: Solve for x
    x = 190,602,746,221.60/664,504.40
  6. Step 6: Final answer
    x = 286,834.44

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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.