Home / 1,252,805.48-1,728,871.58-679,845.65

Finding the Fourth Proportional to 1,252,805.48, 1,728,871.58 and 679,845.65

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Solution

The fourth proportional to 1,252,805.48, 1,728,871.58 and 679,845.65 is: 938,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,805.48 : 1,728,871.58 = 679,845.65 : x
  2. Step 2: Convert to fraction form
    1,252,805.48/1,728,871.58 = 679,845.65/x
  3. Step 3: Cross multiply
    1,252,805.48x = 1,728,871.58 × 679,845.65
  4. Step 4: Simplify right side
    1,252,805.48x = 1,175,365,823,994.58
  5. Step 5: Solve for x
    x = 1,175,365,823,994.58/1,252,805.48
  6. Step 6: Final answer
    x = 938,187.01

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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.