Home / 1,066,409.07-1,471,645.76-613,700.43

Finding the Fourth Proportional to 1,066,409.07, 1,471,645.76 and 613,700.43

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Solution

The fourth proportional to 1,066,409.07, 1,471,645.76 and 613,700.43 is: 846,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,409.07 : 1,471,645.76 = 613,700.43 : x
  2. Step 2: Convert to fraction form
    1,066,409.07/1,471,645.76 = 613,700.43/x
  3. Step 3: Cross multiply
    1,066,409.07x = 1,471,645.76 × 613,700.43
  4. Step 4: Simplify right side
    1,066,409.07x = 903,149,632,651.18
  5. Step 5: Solve for x
    x = 903,149,632,651.18/1,066,409.07
  6. Step 6: Final answer
    x = 846,907.31

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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.