Home / 405,179.56-607,740.06-177,498.28

Finding the Fourth Proportional to 405,179.56, 607,740.06 and 177,498.28

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Solution

The fourth proportional to 405,179.56, 607,740.06 and 177,498.28 is: 266,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,179.56 : 607,740.06 = 177,498.28 : x
  2. Step 2: Convert to fraction form
    405,179.56/607,740.06 = 177,498.28/x
  3. Step 3: Cross multiply
    405,179.56x = 607,740.06 × 177,498.28
  4. Step 4: Simplify right side
    405,179.56x = 107,872,815,337.10
  5. Step 5: Solve for x
    x = 107,872,815,337.10/405,179.56
  6. Step 6: Final answer
    x = 266,234.59

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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.