Home / 1,222,974.64-1,687,629.72-679,077.28

Finding the Fourth Proportional to 1,222,974.64, 1,687,629.72 and 679,077.28

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Solution

The fourth proportional to 1,222,974.64, 1,687,629.72 and 679,077.28 is: 937,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,974.64 : 1,687,629.72 = 679,077.28 : x
  2. Step 2: Convert to fraction form
    1,222,974.64/1,687,629.72 = 679,077.28/x
  3. Step 3: Cross multiply
    1,222,974.64x = 1,687,629.72 × 679,077.28
  4. Step 4: Simplify right side
    1,222,974.64x = 1,146,030,999,904.76
  5. Step 5: Solve for x
    x = 1,146,030,999,904.76/1,222,974.64
  6. Step 6: Final answer
    x = 937,084.84

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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.