Home / 874,568.64-1,206,836.16-511,942.08

Finding the Fourth Proportional to 874,568.64, 1,206,836.16 and 511,942.08

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Solution

The fourth proportional to 874,568.64, 1,206,836.16 and 511,942.08 is: 706,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,568.64 : 1,206,836.16 = 511,942.08 : x
  2. Step 2: Convert to fraction form
    874,568.64/1,206,836.16 = 511,942.08/x
  3. Step 3: Cross multiply
    874,568.64x = 1,206,836.16 × 511,942.08
  4. Step 4: Simplify right side
    874,568.64x = 617,830,213,969.61
  5. Step 5: Solve for x
    x = 617,830,213,969.61/874,568.64
  6. Step 6: Final answer
    x = 706,439.94

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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.