Home / 666,571.68-999,961.20-223,236

Finding the Fourth Proportional to 666,571.68, 999,961.20 and 223,236

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Solution

The fourth proportional to 666,571.68, 999,961.20 and 223,236 is: 334,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,571.68 : 999,961.20 = 223,236 : x
  2. Step 2: Convert to fraction form
    666,571.68/999,961.20 = 223,236/x
  3. Step 3: Cross multiply
    666,571.68x = 999,961.20 × 223,236
  4. Step 4: Simplify right side
    666,571.68x = 223,227,338,443.20
  5. Step 5: Solve for x
    x = 223,227,338,443.20/666,571.68
  6. Step 6: Final answer
    x = 334,888.72

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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.