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Finding the Fourth Proportional to 1,325,714, 1,829,485.32 and 722,102

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Solution

The fourth proportional to 1,325,714, 1,829,485.32 and 722,102 is: 996,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,714 : 1,829,485.32 = 722,102 : x
  2. Step 2: Convert to fraction form
    1,325,714/1,829,485.32 = 722,102/x
  3. Step 3: Cross multiply
    1,325,714x = 1,829,485.32 × 722,102
  4. Step 4: Simplify right side
    1,325,714x = 1,321,075,008,542.64
  5. Step 5: Solve for x
    x = 1,321,075,008,542.64/1,325,714
  6. Step 6: Final answer
    x = 996,500.76

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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.