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Finding the Fourth Proportional to 1,346,771.79, 1,858,584.60 and 734,964.03

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Solution

The fourth proportional to 1,346,771.79, 1,858,584.60 and 734,964.03 is: 1,014,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,771.79 : 1,858,584.60 = 734,964.03 : x
  2. Step 2: Convert to fraction form
    1,346,771.79/1,858,584.60 = 734,964.03/x
  3. Step 3: Cross multiply
    1,346,771.79x = 1,858,584.60 × 734,964.03
  4. Step 4: Simplify right side
    1,346,771.79x = 1,365,992,827,711.94
  5. Step 5: Solve for x
    x = 1,365,992,827,711.94/1,346,771.79
  6. Step 6: Final answer
    x = 1,014,271.93

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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.