Home / 405,601.06-607,972.56-152,772.16

Finding the Fourth Proportional to 405,601.06, 607,972.56 and 152,772.16

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Solution

The fourth proportional to 405,601.06, 607,972.56 and 152,772.16 is: 228,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,601.06 : 607,972.56 = 152,772.16 : x
  2. Step 2: Convert to fraction form
    405,601.06/607,972.56 = 152,772.16/x
  3. Step 3: Cross multiply
    405,601.06x = 607,972.56 × 152,772.16
  4. Step 4: Simplify right side
    405,601.06x = 92,881,278,172.07
  5. Step 5: Solve for x
    x = 92,881,278,172.07/405,601.06
  6. Step 6: Final answer
    x = 228,996.64

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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.