Home / 666,534.41-999,905.30-217,150.67

Finding the Fourth Proportional to 666,534.41, 999,905.30 and 217,150.67

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Solution

The fourth proportional to 666,534.41, 999,905.30 and 217,150.67 is: 325,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,534.41 : 999,905.30 = 217,150.67 : x
  2. Step 2: Convert to fraction form
    666,534.41/999,905.30 = 217,150.67/x
  3. Step 3: Cross multiply
    666,534.41x = 999,905.30 × 217,150.67
  4. Step 4: Simplify right side
    666,534.41x = 217,130,099,746.27
  5. Step 5: Solve for x
    x = 217,130,099,746.27/666,534.41
  6. Step 6: Final answer
    x = 325,759.78

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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.