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Finding the Fourth Proportional to 1,163,700, 1,605,731.04 and 654,391.44

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Solution

The fourth proportional to 1,163,700, 1,605,731.04 and 654,391.44 is: 902,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,700 : 1,605,731.04 = 654,391.44 : x
  2. Step 2: Convert to fraction form
    1,163,700/1,605,731.04 = 654,391.44/x
  3. Step 3: Cross multiply
    1,163,700x = 1,605,731.04 × 654,391.44
  4. Step 4: Simplify right side
    1,163,700x = 1,050,776,647,518.30
  5. Step 5: Solve for x
    x = 1,050,776,647,518.30/1,163,700
  6. Step 6: Final answer
    x = 902,961.80

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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.