Home / 1,207,949.52-1,811,924.66-355,021.31

Finding the Fourth Proportional to 1,207,949.52, 1,811,924.66 and 355,021.31

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Solution

The fourth proportional to 1,207,949.52, 1,811,924.66 and 355,021.31 is: 532,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,949.52 : 1,811,924.66 = 355,021.31 : x
  2. Step 2: Convert to fraction form
    1,207,949.52/1,811,924.66 = 355,021.31/x
  3. Step 3: Cross multiply
    1,207,949.52x = 1,811,924.66 × 355,021.31
  4. Step 4: Simplify right side
    1,207,949.52x = 643,271,855,579.78
  5. Step 5: Solve for x
    x = 643,271,855,579.78/1,207,949.52
  6. Step 6: Final answer
    x = 532,532.07

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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.