Home / 622,311.81-933,539.90-217,378.63

Finding the Fourth Proportional to 622,311.81, 933,539.90 and 217,378.63

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Solution

The fourth proportional to 622,311.81, 933,539.90 and 217,378.63 is: 326,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,311.81 : 933,539.90 = 217,378.63 : x
  2. Step 2: Convert to fraction form
    622,311.81/933,539.90 = 217,378.63/x
  3. Step 3: Cross multiply
    622,311.81x = 933,539.90 × 217,378.63
  4. Step 4: Simplify right side
    622,311.81x = 202,931,623,425.44
  5. Step 5: Solve for x
    x = 202,931,623,425.44/622,311.81
  6. Step 6: Final answer
    x = 326,093.16

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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.