Home / 1,788,480.92-2,682,737.59-509,087.89

Finding the Fourth Proportional to 1,788,480.92, 2,682,737.59 and 509,087.89

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Solution

The fourth proportional to 1,788,480.92, 2,682,737.59 and 509,087.89 is: 763,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,480.92 : 2,682,737.59 = 509,087.89 : x
  2. Step 2: Convert to fraction form
    1,788,480.92/2,682,737.59 = 509,087.89/x
  3. Step 3: Cross multiply
    1,788,480.92x = 2,682,737.59 × 509,087.89
  4. Step 4: Simplify right side
    1,788,480.92x = 1,365,749,213,682.66
  5. Step 5: Solve for x
    x = 1,365,749,213,682.66/1,788,480.92
  6. Step 6: Final answer
    x = 763,636.45

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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.