Home / 879,231.60-1,318,847.40-656,157.60

Finding the Fourth Proportional to 879,231.60, 1,318,847.40 and 656,157.60

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Solution

The fourth proportional to 879,231.60, 1,318,847.40 and 656,157.60 is: 984,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,231.60 : 1,318,847.40 = 656,157.60 : x
  2. Step 2: Convert to fraction form
    879,231.60/1,318,847.40 = 656,157.60/x
  3. Step 3: Cross multiply
    879,231.60x = 1,318,847.40 × 656,157.60
  4. Step 4: Simplify right side
    879,231.60x = 865,371,744,750.24
  5. Step 5: Solve for x
    x = 865,371,744,750.24/879,231.60
  6. Step 6: Final answer
    x = 984,236.40

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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.