Home / 1,254,333.56-1,872,021.42-1,133,264.88

Finding the Fourth Proportional to 1,254,333.56, 1,872,021.42 and 1,133,264.88

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Solution

The fourth proportional to 1,254,333.56, 1,872,021.42 and 1,133,264.88 is: 1,691,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,333.56 : 1,872,021.42 = 1,133,264.88 : x
  2. Step 2: Convert to fraction form
    1,254,333.56/1,872,021.42 = 1,133,264.88/x
  3. Step 3: Cross multiply
    1,254,333.56x = 1,872,021.42 × 1,133,264.88
  4. Step 4: Simplify right side
    1,254,333.56x = 2,121,496,129,893.73
  5. Step 5: Solve for x
    x = 2,121,496,129,893.73/1,254,333.56
  6. Step 6: Final answer
    x = 1,691,333.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.