Home / 1,839,391.28-2,759,203.56-577,268.72

Finding the Fourth Proportional to 1,839,391.28, 2,759,203.56 and 577,268.72

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Solution

The fourth proportional to 1,839,391.28, 2,759,203.56 and 577,268.72 is: 865,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,391.28 : 2,759,203.56 = 577,268.72 : x
  2. Step 2: Convert to fraction form
    1,839,391.28/2,759,203.56 = 577,268.72/x
  3. Step 3: Cross multiply
    1,839,391.28x = 2,759,203.56 × 577,268.72
  4. Step 4: Simplify right side
    1,839,391.28x = 1,592,801,907,300.64
  5. Step 5: Solve for x
    x = 1,592,801,907,300.64/1,839,391.28
  6. Step 6: Final answer
    x = 865,939.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.