Home / 1,191,579.99-1,644,399.47-647,716.83

Finding the Fourth Proportional to 1,191,579.99, 1,644,399.47 and 647,716.83

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Solution

The fourth proportional to 1,191,579.99, 1,644,399.47 and 647,716.83 is: 893,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,579.99 : 1,644,399.47 = 647,716.83 : x
  2. Step 2: Convert to fraction form
    1,191,579.99/1,644,399.47 = 647,716.83/x
  3. Step 3: Cross multiply
    1,191,579.99x = 1,644,399.47 × 647,716.83
  4. Step 4: Simplify right side
    1,191,579.99x = 1,065,105,211,962.08
  5. Step 5: Solve for x
    x = 1,065,105,211,962.08/1,191,579.99
  6. Step 6: Final answer
    x = 893,859.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.