Home / 1,282,093.17-1,923,240.87-429,169.79

Finding the Fourth Proportional to 1,282,093.17, 1,923,240.87 and 429,169.79

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Solution

The fourth proportional to 1,282,093.17, 1,923,240.87 and 429,169.79 is: 643,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,093.17 : 1,923,240.87 = 429,169.79 : x
  2. Step 2: Convert to fraction form
    1,282,093.17/1,923,240.87 = 429,169.79/x
  3. Step 3: Cross multiply
    1,282,093.17x = 1,923,240.87 × 429,169.79
  4. Step 4: Simplify right side
    1,282,093.17x = 825,396,870,681.11
  5. Step 5: Solve for x
    x = 825,396,870,681.11/1,282,093.17
  6. Step 6: Final answer
    x = 643,788.52

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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.