Home / 879,344.96-1,318,573.92-626,480.96

Finding the Fourth Proportional to 879,344.96, 1,318,573.92 and 626,480.96

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Solution

The fourth proportional to 879,344.96, 1,318,573.92 and 626,480.96 is: 939,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,344.96 : 1,318,573.92 = 626,480.96 : x
  2. Step 2: Convert to fraction form
    879,344.96/1,318,573.92 = 626,480.96/x
  3. Step 3: Cross multiply
    879,344.96x = 1,318,573.92 × 626,480.96
  4. Step 4: Simplify right side
    879,344.96x = 826,061,455,232.56
  5. Step 5: Solve for x
    x = 826,061,455,232.56/879,344.96
  6. Step 6: Final answer
    x = 939,405.46

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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.