Home / 1,215,800.72-1,823,737.99-417,070.73

Finding the Fourth Proportional to 1,215,800.72, 1,823,737.99 and 417,070.73

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Solution

The fourth proportional to 1,215,800.72, 1,823,737.99 and 417,070.73 is: 625,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,800.72 : 1,823,737.99 = 417,070.73 : x
  2. Step 2: Convert to fraction form
    1,215,800.72/1,823,737.99 = 417,070.73/x
  3. Step 3: Cross multiply
    1,215,800.72x = 1,823,737.99 × 417,070.73
  4. Step 4: Simplify right side
    1,215,800.72x = 760,627,734,818.03
  5. Step 5: Solve for x
    x = 760,627,734,818.03/1,215,800.72
  6. Step 6: Final answer
    x = 625,618.76

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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.