Home / 919,933.60-1,379,900.40-565,639.60

Finding the Fourth Proportional to 919,933.60, 1,379,900.40 and 565,639.60

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Solution

The fourth proportional to 919,933.60, 1,379,900.40 and 565,639.60 is: 848,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,933.60 : 1,379,900.40 = 565,639.60 : x
  2. Step 2: Convert to fraction form
    919,933.60/1,379,900.40 = 565,639.60/x
  3. Step 3: Cross multiply
    919,933.60x = 1,379,900.40 × 565,639.60
  4. Step 4: Simplify right side
    919,933.60x = 780,526,310,295.84
  5. Step 5: Solve for x
    x = 780,526,310,295.84/919,933.60
  6. Step 6: Final answer
    x = 848,459.40

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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.