Home / 554,870.07-765,638.60-336,965.43

Finding the Fourth Proportional to 554,870.07, 765,638.60 and 336,965.43

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Solution

The fourth proportional to 554,870.07, 765,638.60 and 336,965.43 is: 464,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,870.07 : 765,638.60 = 336,965.43 : x
  2. Step 2: Convert to fraction form
    554,870.07/765,638.60 = 336,965.43/x
  3. Step 3: Cross multiply
    554,870.07x = 765,638.60 × 336,965.43
  4. Step 4: Simplify right side
    554,870.07x = 257,993,740,073.60
  5. Step 5: Solve for x
    x = 257,993,740,073.60/554,870.07
  6. Step 6: Final answer
    x = 464,962.44

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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.