Home / 1,005,998.87-1,388,287.77-547,117.79

Finding the Fourth Proportional to 1,005,998.87, 1,388,287.77 and 547,117.79

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Solution

The fourth proportional to 1,005,998.87, 1,388,287.77 and 547,117.79 is: 755,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,998.87 : 1,388,287.77 = 547,117.79 : x
  2. Step 2: Convert to fraction form
    1,005,998.87/1,388,287.77 = 547,117.79/x
  3. Step 3: Cross multiply
    1,005,998.87x = 1,388,287.77 × 547,117.79
  4. Step 4: Simplify right side
    1,005,998.87x = 759,556,936,606.43
  5. Step 5: Solve for x
    x = 759,556,936,606.43/1,005,998.87
  6. Step 6: Final answer
    x = 755,027.62

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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.