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Finding the Fourth Proportional to 1,059,584.94, 1,462,769.01 and 817,323.66

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Solution

The fourth proportional to 1,059,584.94, 1,462,769.01 and 817,323.66 is: 1,128,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,584.94 : 1,462,769.01 = 817,323.66 : x
  2. Step 2: Convert to fraction form
    1,059,584.94/1,462,769.01 = 817,323.66/x
  3. Step 3: Cross multiply
    1,059,584.94x = 1,462,769.01 × 817,323.66
  4. Step 4: Simplify right side
    1,059,584.94x = 1,195,555,720,987.78
  5. Step 5: Solve for x
    x = 1,195,555,720,987.78/1,059,584.94
  6. Step 6: Final answer
    x = 1,128,324.57

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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.