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Finding the Fourth Proportional to 993,952.80, 1,371,781.44 and 740,027.52

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Solution

The fourth proportional to 993,952.80, 1,371,781.44 and 740,027.52 is: 1,021,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,952.80 : 1,371,781.44 = 740,027.52 : x
  2. Step 2: Convert to fraction form
    993,952.80/1,371,781.44 = 740,027.52/x
  3. Step 3: Cross multiply
    993,952.80x = 1,371,781.44 × 740,027.52
  4. Step 4: Simplify right side
    993,952.80x = 1,015,156,017,025.23
  5. Step 5: Solve for x
    x = 1,015,156,017,025.23/993,952.80
  6. Step 6: Final answer
    x = 1,021,332.22

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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.