Home / 1,252,841.37-1,728,922.21-679,881.54

Finding the Fourth Proportional to 1,252,841.37, 1,728,922.21 and 679,881.54

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Solution

The fourth proportional to 1,252,841.37, 1,728,922.21 and 679,881.54 is: 938,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,841.37 : 1,728,922.21 = 679,881.54 : x
  2. Step 2: Convert to fraction form
    1,252,841.37/1,728,922.21 = 679,881.54/x
  3. Step 3: Cross multiply
    1,252,841.37x = 1,728,922.21 × 679,881.54
  4. Step 4: Simplify right side
    1,252,841.37x = 1,175,462,294,675.00
  5. Step 5: Solve for x
    x = 1,175,462,294,675.00/1,252,841.37
  6. Step 6: Final answer
    x = 938,237.13

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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.