Home / 1,187,574.75-1,638,956.84-651,134.43

Finding the Fourth Proportional to 1,187,574.75, 1,638,956.84 and 651,134.43

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Solution

The fourth proportional to 1,187,574.75, 1,638,956.84 and 651,134.43 is: 898,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,574.75 : 1,638,956.84 = 651,134.43 : x
  2. Step 2: Convert to fraction form
    1,187,574.75/1,638,956.84 = 651,134.43/x
  3. Step 3: Cross multiply
    1,187,574.75x = 1,638,956.84 × 651,134.43
  4. Step 4: Simplify right side
    1,187,574.75x = 1,067,181,224,552.33
  5. Step 5: Solve for x
    x = 1,067,181,224,552.33/1,187,574.75
  6. Step 6: Final answer
    x = 898,622.36

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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.