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Finding the Fourth Proportional to 1,322,039.61, 1,824,972.78 and 892,901.01

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Solution

The fourth proportional to 1,322,039.61, 1,824,972.78 and 892,901.01 is: 1,232,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,039.61 : 1,824,972.78 = 892,901.01 : x
  2. Step 2: Convert to fraction form
    1,322,039.61/1,824,972.78 = 892,901.01/x
  3. Step 3: Cross multiply
    1,322,039.61x = 1,824,972.78 × 892,901.01
  4. Step 4: Simplify right side
    1,322,039.61x = 1,629,520,038,484.51
  5. Step 5: Solve for x
    x = 1,629,520,038,484.51/1,322,039.61
  6. Step 6: Final answer
    x = 1,232,580.34

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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.