Home / 622,706.12-934,060.09-173,428.28

Finding the Fourth Proportional to 622,706.12, 934,060.09 and 173,428.28

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Solution

The fourth proportional to 622,706.12, 934,060.09 and 173,428.28 is: 260,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,706.12 : 934,060.09 = 173,428.28 : x
  2. Step 2: Convert to fraction form
    622,706.12/934,060.09 = 173,428.28/x
  3. Step 3: Cross multiply
    622,706.12x = 934,060.09 × 173,428.28
  4. Step 4: Simplify right side
    622,706.12x = 161,992,434,825.35
  5. Step 5: Solve for x
    x = 161,992,434,825.35/622,706.12
  6. Step 6: Final answer
    x = 260,142.67

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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.