Home / 677,162.62-934,551.28-386,817.64

Finding the Fourth Proportional to 677,162.62, 934,551.28 and 386,817.64

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Solution

The fourth proportional to 677,162.62, 934,551.28 and 386,817.64 is: 533,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,162.62 : 934,551.28 = 386,817.64 : x
  2. Step 2: Convert to fraction form
    677,162.62/934,551.28 = 386,817.64/x
  3. Step 3: Cross multiply
    677,162.62x = 934,551.28 × 386,817.64
  4. Step 4: Simplify right side
    677,162.62x = 361,500,920,588.58
  5. Step 5: Solve for x
    x = 361,500,920,588.58/677,162.62
  6. Step 6: Final answer
    x = 533,846.54

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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.