Home / 877,548.36-1,211,137-505,003.61

Finding the Fourth Proportional to 877,548.36, 1,211,137 and 505,003.61

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Solution

The fourth proportional to 877,548.36, 1,211,137 and 505,003.61 is: 696,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,548.36 : 1,211,137 = 505,003.61 : x
  2. Step 2: Convert to fraction form
    877,548.36/1,211,137 = 505,003.61/x
  3. Step 3: Cross multiply
    877,548.36x = 1,211,137 × 505,003.61
  4. Step 4: Simplify right side
    877,548.36x = 611,628,557,204.57
  5. Step 5: Solve for x
    x = 611,628,557,204.57/877,548.36
  6. Step 6: Final answer
    x = 696,974.19

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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.