Home / 641,318.39-884,633.82-423,529.07

Finding the Fourth Proportional to 641,318.39, 884,633.82 and 423,529.07

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Solution

The fourth proportional to 641,318.39, 884,633.82 and 423,529.07 is: 584,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,318.39 : 884,633.82 = 423,529.07 : x
  2. Step 2: Convert to fraction form
    641,318.39/884,633.82 = 423,529.07/x
  3. Step 3: Cross multiply
    641,318.39x = 884,633.82 × 423,529.07
  4. Step 4: Simplify right side
    641,318.39x = 374,668,141,286.73
  5. Step 5: Solve for x
    x = 374,668,141,286.73/641,318.39
  6. Step 6: Final answer
    x = 584,215.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.