Home / 933,555.40-1,397,222.70-858,905.80

Finding the Fourth Proportional to 933,555.40, 1,397,222.70 and 858,905.80

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Solution

The fourth proportional to 933,555.40, 1,397,222.70 and 858,905.80 is: 1,285,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,555.40 : 1,397,222.70 = 858,905.80 : x
  2. Step 2: Convert to fraction form
    933,555.40/1,397,222.70 = 858,905.80/x
  3. Step 3: Cross multiply
    933,555.40x = 1,397,222.70 × 858,905.80
  4. Step 4: Simplify right side
    933,555.40x = 1,200,082,680,921.66
  5. Step 5: Solve for x
    x = 1,200,082,680,921.66/933,555.40
  6. Step 6: Final answer
    x = 1,285,497.02

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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.