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Finding the Fourth Proportional to 1,122,840.44, 1,551,159 and 971,675

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Solution

The fourth proportional to 1,122,840.44, 1,551,159 and 971,675 is: 1,342,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,840.44 : 1,551,159 = 971,675 : x
  2. Step 2: Convert to fraction form
    1,122,840.44/1,551,159 = 971,675/x
  3. Step 3: Cross multiply
    1,122,840.44x = 1,551,159 × 971,675
  4. Step 4: Simplify right side
    1,122,840.44x = 1,507,222,421,325
  5. Step 5: Solve for x
    x = 1,507,222,421,325/1,122,840.44
  6. Step 6: Final answer
    x = 1,342,330.01

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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.