Home / 1,222,962.73-1,687,795.52-679,204.83

Finding the Fourth Proportional to 1,222,962.73, 1,687,795.52 and 679,204.83

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Solution

The fourth proportional to 1,222,962.73, 1,687,795.52 and 679,204.83 is: 937,362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,962.73 : 1,687,795.52 = 679,204.83 : x
  2. Step 2: Convert to fraction form
    1,222,962.73/1,687,795.52 = 679,204.83/x
  3. Step 3: Cross multiply
    1,222,962.73x = 1,687,795.52 × 679,204.83
  4. Step 4: Simplify right side
    1,222,962.73x = 1,146,358,869,236.36
  5. Step 5: Solve for x
    x = 1,146,358,869,236.36/1,222,962.73
  6. Step 6: Final answer
    x = 937,362.06

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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.