Home / 1,421,748.54-2,132,625.69-410,951.97

Finding the Fourth Proportional to 1,421,748.54, 2,132,625.69 and 410,951.97

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Solution

The fourth proportional to 1,421,748.54, 2,132,625.69 and 410,951.97 is: 616,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,748.54 : 2,132,625.69 = 410,951.97 : x
  2. Step 2: Convert to fraction form
    1,421,748.54/2,132,625.69 = 410,951.97/x
  3. Step 3: Cross multiply
    1,421,748.54x = 2,132,625.69 × 410,951.97
  4. Step 4: Simplify right side
    1,421,748.54x = 876,406,728,578.11
  5. Step 5: Solve for x
    x = 876,406,728,578.11/1,421,748.54
  6. Step 6: Final answer
    x = 616,428.79

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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.