Home / 758,078.32-1,046,147.82-435,851.44

Finding the Fourth Proportional to 758,078.32, 1,046,147.82 and 435,851.44

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Solution

The fourth proportional to 758,078.32, 1,046,147.82 and 435,851.44 is: 601,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,078.32 : 1,046,147.82 = 435,851.44 : x
  2. Step 2: Convert to fraction form
    758,078.32/1,046,147.82 = 435,851.44/x
  3. Step 3: Cross multiply
    758,078.32x = 1,046,147.82 × 435,851.44
  4. Step 4: Simplify right side
    758,078.32x = 455,965,033,799.86
  5. Step 5: Solve for x
    x = 455,965,033,799.86/758,078.32
  6. Step 6: Final answer
    x = 601,474.84

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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.