Home / 1,421,778.84-2,132,668.26-475,149.57

Finding the Fourth Proportional to 1,421,778.84, 2,132,668.26 and 475,149.57

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Solution

The fourth proportional to 1,421,778.84, 2,132,668.26 and 475,149.57 is: 712,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,778.84 : 2,132,668.26 = 475,149.57 : x
  2. Step 2: Convert to fraction form
    1,421,778.84/2,132,668.26 = 475,149.57/x
  3. Step 3: Cross multiply
    1,421,778.84x = 2,132,668.26 × 475,149.57
  4. Step 4: Simplify right side
    1,421,778.84x = 1,013,336,406,691.65
  5. Step 5: Solve for x
    x = 1,013,336,406,691.65/1,421,778.84
  6. Step 6: Final answer
    x = 712,724.36

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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.