Home / 461,328.90-691,665.24-176,778.34

Finding the Fourth Proportional to 461,328.90, 691,665.24 and 176,778.34

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Solution

The fourth proportional to 461,328.90, 691,665.24 and 176,778.34 is: 265,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,328.90 : 691,665.24 = 176,778.34 : x
  2. Step 2: Convert to fraction form
    461,328.90/691,665.24 = 176,778.34/x
  3. Step 3: Cross multiply
    461,328.90x = 691,665.24 × 176,778.34
  4. Step 4: Simplify right side
    461,328.90x = 122,271,432,962.90
  5. Step 5: Solve for x
    x = 122,271,432,962.90/461,328.90
  6. Step 6: Final answer
    x = 265,041.78

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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.