Home / 1,516,245.80-2,092,410.87-827,912.77

Finding the Fourth Proportional to 1,516,245.80, 2,092,410.87 and 827,912.77

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Solution

The fourth proportional to 1,516,245.80, 2,092,410.87 and 827,912.77 is: 1,142,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,245.80 : 2,092,410.87 = 827,912.77 : x
  2. Step 2: Convert to fraction form
    1,516,245.80/2,092,410.87 = 827,912.77/x
  3. Step 3: Cross multiply
    1,516,245.80x = 2,092,410.87 × 827,912.77
  4. Step 4: Simplify right side
    1,516,245.80x = 1,732,333,671,024.11
  5. Step 5: Solve for x
    x = 1,732,333,671,024.11/1,516,245.80
  6. Step 6: Final answer
    x = 1,142,515.07

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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.