Home / 1,720,127.80-2,579,535.60-521,651.80

Finding the Fourth Proportional to 1,720,127.80, 2,579,535.60 and 521,651.80

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Solution

The fourth proportional to 1,720,127.80, 2,579,535.60 and 521,651.80 is: 782,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,127.80 : 2,579,535.60 = 521,651.80 : x
  2. Step 2: Convert to fraction form
    1,720,127.80/2,579,535.60 = 521,651.80/x
  3. Step 3: Cross multiply
    1,720,127.80x = 2,579,535.60 × 521,651.80
  4. Step 4: Simplify right side
    1,720,127.80x = 1,345,619,388,904.08
  5. Step 5: Solve for x
    x = 1,345,619,388,904.08/1,720,127.80
  6. Step 6: Final answer
    x = 782,278.73

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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.