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Finding the Fourth Proportional to 1,196,684.42, 1,795,358.86 and 664,579.15

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Solution

The fourth proportional to 1,196,684.42, 1,795,358.86 and 664,579.15 is: 997,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,684.42 : 1,795,358.86 = 664,579.15 : x
  2. Step 2: Convert to fraction form
    1,196,684.42/1,795,358.86 = 664,579.15/x
  3. Step 3: Cross multiply
    1,196,684.42x = 1,795,358.86 × 664,579.15
  4. Step 4: Simplify right side
    1,196,684.42x = 1,193,158,058,973.92
  5. Step 5: Solve for x
    x = 1,193,158,058,973.92/1,196,684.42
  6. Step 6: Final answer
    x = 997,053.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.