Home / 920,311.84-1,270,653.77-576,285.80

Finding the Fourth Proportional to 920,311.84, 1,270,653.77 and 576,285.80

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Solution

The fourth proportional to 920,311.84, 1,270,653.77 and 576,285.80 is: 795,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,311.84 : 1,270,653.77 = 576,285.80 : x
  2. Step 2: Convert to fraction form
    920,311.84/1,270,653.77 = 576,285.80/x
  3. Step 3: Cross multiply
    920,311.84x = 1,270,653.77 × 576,285.80
  4. Step 4: Simplify right side
    920,311.84x = 732,259,724,367.47
  5. Step 5: Solve for x
    x = 732,259,724,367.47/920,311.84
  6. Step 6: Final answer
    x = 795,664.79

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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.