Home / 1,422,354.99-2,133,475.38-783,924.33

Finding the Fourth Proportional to 1,422,354.99, 2,133,475.38 and 783,924.33

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Solution

The fourth proportional to 1,422,354.99, 2,133,475.38 and 783,924.33 is: 1,175,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,354.99 : 2,133,475.38 = 783,924.33 : x
  2. Step 2: Convert to fraction form
    1,422,354.99/2,133,475.38 = 783,924.33/x
  3. Step 3: Cross multiply
    1,422,354.99x = 2,133,475.38 × 783,924.33
  4. Step 4: Simplify right side
    1,422,354.99x = 1,672,483,257,838.00
  5. Step 5: Solve for x
    x = 1,672,483,257,838.00/1,422,354.99
  6. Step 6: Final answer
    x = 1,175,855.02

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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.