Home / 403,922.80-605,884.20-277,951.60

Finding the Fourth Proportional to 403,922.80, 605,884.20 and 277,951.60

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Solution

The fourth proportional to 403,922.80, 605,884.20 and 277,951.60 is: 416,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,922.80 : 605,884.20 = 277,951.60 : x
  2. Step 2: Convert to fraction form
    403,922.80/605,884.20 = 277,951.60/x
  3. Step 3: Cross multiply
    403,922.80x = 605,884.20 × 277,951.60
  4. Step 4: Simplify right side
    403,922.80x = 168,406,482,804.72
  5. Step 5: Solve for x
    x = 168,406,482,804.72/403,922.80
  6. Step 6: Final answer
    x = 416,927.40

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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.