Home / 405,601.56-607,973.31-152,772.65

Finding the Fourth Proportional to 405,601.56, 607,973.31 and 152,772.65

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Solution

The fourth proportional to 405,601.56, 607,973.31 and 152,772.65 is: 228,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,601.56 : 607,973.31 = 152,772.65 : x
  2. Step 2: Convert to fraction form
    405,601.56/607,973.31 = 152,772.65/x
  3. Step 3: Cross multiply
    405,601.56x = 607,973.31 × 152,772.65
  4. Step 4: Simplify right side
    405,601.56x = 92,881,695,217.90
  5. Step 5: Solve for x
    x = 92,881,695,217.90/405,601.56
  6. Step 6: Final answer
    x = 228,997.38

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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.