Home / 867,441.46-1,300,912.50-298,799.60

Finding the Fourth Proportional to 867,441.46, 1,300,912.50 and 298,799.60

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Solution

The fourth proportional to 867,441.46, 1,300,912.50 and 298,799.60 is: 448,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,441.46 : 1,300,912.50 = 298,799.60 : x
  2. Step 2: Convert to fraction form
    867,441.46/1,300,912.50 = 298,799.60/x
  3. Step 3: Cross multiply
    867,441.46x = 1,300,912.50 × 298,799.60
  4. Step 4: Simplify right side
    867,441.46x = 388,712,134,635
  5. Step 5: Solve for x
    x = 388,712,134,635/867,441.46
  6. Step 6: Final answer
    x = 448,113.39

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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.