Home / 866,608.38-1,299,650.13-235,440.18

Finding the Fourth Proportional to 866,608.38, 1,299,650.13 and 235,440.18

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Solution

The fourth proportional to 866,608.38, 1,299,650.13 and 235,440.18 is: 353,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,608.38 : 1,299,650.13 = 235,440.18 : x
  2. Step 2: Convert to fraction form
    866,608.38/1,299,650.13 = 235,440.18/x
  3. Step 3: Cross multiply
    866,608.38x = 1,299,650.13 × 235,440.18
  4. Step 4: Simplify right side
    866,608.38x = 305,989,860,544.22
  5. Step 5: Solve for x
    x = 305,989,860,544.22/866,608.38
  6. Step 6: Final answer
    x = 353,088.97

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1.5x scale

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.