Home / 859,758.69-1,288,415.91-633,338.58

Finding the Fourth Proportional to 859,758.69, 1,288,415.91 and 633,338.58

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Solution

The fourth proportional to 859,758.69, 1,288,415.91 and 633,338.58 is: 949,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,758.69 : 1,288,415.91 = 633,338.58 : x
  2. Step 2: Convert to fraction form
    859,758.69/1,288,415.91 = 633,338.58/x
  3. Step 3: Cross multiply
    859,758.69x = 1,288,415.91 × 633,338.58
  4. Step 4: Simplify right side
    859,758.69x = 816,003,502,888.81
  5. Step 5: Solve for x
    x = 816,003,502,888.81/859,758.69
  6. Step 6: Final answer
    x = 949,107.60

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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.