Home / 727,360.50-1,091,079.63-228,763.38

Finding the Fourth Proportional to 727,360.50, 1,091,079.63 and 228,763.38

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Solution

The fourth proportional to 727,360.50, 1,091,079.63 and 228,763.38 is: 343,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,360.50 : 1,091,079.63 = 228,763.38 : x
  2. Step 2: Convert to fraction form
    727,360.50/1,091,079.63 = 228,763.38/x
  3. Step 3: Cross multiply
    727,360.50x = 1,091,079.63 × 228,763.38
  4. Step 4: Simplify right side
    727,360.50x = 249,599,064,007.95
  5. Step 5: Solve for x
    x = 249,599,064,007.95/727,360.50
  6. Step 6: Final answer
    x = 343,157.30

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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.