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Finding the Fourth Proportional to 1,935,797.85, 2,671,431.57 and 1,064,670.39

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Solution

The fourth proportional to 1,935,797.85, 2,671,431.57 and 1,064,670.39 is: 1,469,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,797.85 : 2,671,431.57 = 1,064,670.39 : x
  2. Step 2: Convert to fraction form
    1,935,797.85/2,671,431.57 = 1,064,670.39/x
  3. Step 3: Cross multiply
    1,935,797.85x = 2,671,431.57 × 1,064,670.39
  4. Step 4: Simplify right side
    1,935,797.85x = 2,844,194,091,490.21
  5. Step 5: Solve for x
    x = 2,844,194,091,490.21/1,935,797.85
  6. Step 6: Final answer
    x = 1,469,261.93

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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.