Home / 540,466.42-745,811.24-298,734.58

Finding the Fourth Proportional to 540,466.42, 745,811.24 and 298,734.58

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Solution

The fourth proportional to 540,466.42, 745,811.24 and 298,734.58 is: 412,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,466.42 : 745,811.24 = 298,734.58 : x
  2. Step 2: Convert to fraction form
    540,466.42/745,811.24 = 298,734.58/x
  3. Step 3: Cross multiply
    540,466.42x = 745,811.24 × 298,734.58
  4. Step 4: Simplify right side
    540,466.42x = 222,799,607,540.68
  5. Step 5: Solve for x
    x = 222,799,607,540.68/540,466.42
  6. Step 6: Final answer
    x = 412,235.80

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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.