Home / 1,977,829.92-2,965,763.44-629,816.90

Finding the Fourth Proportional to 1,977,829.92, 2,965,763.44 and 629,816.90

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Solution

The fourth proportional to 1,977,829.92, 2,965,763.44 and 629,816.90 is: 944,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,829.92 : 2,965,763.44 = 629,816.90 : x
  2. Step 2: Convert to fraction form
    1,977,829.92/2,965,763.44 = 629,816.90/x
  3. Step 3: Cross multiply
    1,977,829.92x = 2,965,763.44 × 629,816.90
  4. Step 4: Simplify right side
    1,977,829.92x = 1,867,887,935,914.14
  5. Step 5: Solve for x
    x = 1,867,887,935,914.14/1,977,829.92
  6. Step 6: Final answer
    x = 944,412.82

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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.