Home / 920,893.88-1,382,283.42-760,458.64

Finding the Fourth Proportional to 920,893.88, 1,382,283.42 and 760,458.64

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Solution

The fourth proportional to 920,893.88, 1,382,283.42 and 760,458.64 is: 1,141,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,893.88 : 1,382,283.42 = 760,458.64 : x
  2. Step 2: Convert to fraction form
    920,893.88/1,382,283.42 = 760,458.64/x
  3. Step 3: Cross multiply
    920,893.88x = 1,382,283.42 × 760,458.64
  4. Step 4: Simplify right side
    920,893.88x = 1,051,169,369,667.75
  5. Step 5: Solve for x
    x = 1,051,169,369,667.75/920,893.88
  6. Step 6: Final answer
    x = 1,141,466.34

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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.