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Finding the Fourth Proportional to 1,301,793, 1,796,662.68 and 728,870.04

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Solution

The fourth proportional to 1,301,793, 1,796,662.68 and 728,870.04 is: 1,005,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,793 : 1,796,662.68 = 728,870.04 : x
  2. Step 2: Convert to fraction form
    1,301,793/1,796,662.68 = 728,870.04/x
  3. Step 3: Cross multiply
    1,301,793x = 1,796,662.68 × 728,870.04
  4. Step 4: Simplify right side
    1,301,793x = 1,309,533,599,438.11
  5. Step 5: Solve for x
    x = 1,309,533,599,438.11/1,301,793
  6. Step 6: Final answer
    x = 1,005,946.11

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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.