Home / 1,470,833.72-2,029,940.14-826,378.49

Finding the Fourth Proportional to 1,470,833.72, 2,029,940.14 and 826,378.49

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Solution

The fourth proportional to 1,470,833.72, 2,029,940.14 and 826,378.49 is: 1,140,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,833.72 : 2,029,940.14 = 826,378.49 : x
  2. Step 2: Convert to fraction form
    1,470,833.72/2,029,940.14 = 826,378.49/x
  3. Step 3: Cross multiply
    1,470,833.72x = 2,029,940.14 × 826,378.49
  4. Step 4: Simplify right side
    1,470,833.72x = 1,677,498,860,823.54
  5. Step 5: Solve for x
    x = 1,677,498,860,823.54/1,470,833.72
  6. Step 6: Final answer
    x = 1,140,508.84

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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.