Home / 1,052,777.70-1,579,166.55-919,917.45

Finding the Fourth Proportional to 1,052,777.70, 1,579,166.55 and 919,917.45

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Solution

The fourth proportional to 1,052,777.70, 1,579,166.55 and 919,917.45 is: 1,379,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,777.70 : 1,579,166.55 = 919,917.45 : x
  2. Step 2: Convert to fraction form
    1,052,777.70/1,579,166.55 = 919,917.45/x
  3. Step 3: Cross multiply
    1,052,777.70x = 1,579,166.55 × 919,917.45
  4. Step 4: Simplify right side
    1,052,777.70x = 1,452,702,865,801.30
  5. Step 5: Solve for x
    x = 1,452,702,865,801.30/1,052,777.70
  6. Step 6: Final answer
    x = 1,379,876.18

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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.