Home / 622,579.60-933,869.40-543,847.60

Finding the Fourth Proportional to 622,579.60, 933,869.40 and 543,847.60

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Solution

The fourth proportional to 622,579.60, 933,869.40 and 543,847.60 is: 815,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,579.60 : 933,869.40 = 543,847.60 : x
  2. Step 2: Convert to fraction form
    622,579.60/933,869.40 = 543,847.60/x
  3. Step 3: Cross multiply
    622,579.60x = 933,869.40 × 543,847.60
  4. Step 4: Simplify right side
    622,579.60x = 507,882,631,903.44
  5. Step 5: Solve for x
    x = 507,882,631,903.44/622,579.60
  6. Step 6: Final answer
    x = 815,771.40

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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.