Home / 777,935.60-1,166,903.40-620,471.60

Finding the Fourth Proportional to 777,935.60, 1,166,903.40 and 620,471.60

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Solution

The fourth proportional to 777,935.60, 1,166,903.40 and 620,471.60 is: 930,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,935.60 : 1,166,903.40 = 620,471.60 : x
  2. Step 2: Convert to fraction form
    777,935.60/1,166,903.40 = 620,471.60/x
  3. Step 3: Cross multiply
    777,935.60x = 1,166,903.40 × 620,471.60
  4. Step 4: Simplify right side
    777,935.60x = 724,030,419,643.44
  5. Step 5: Solve for x
    x = 724,030,419,643.44/777,935.60
  6. Step 6: Final answer
    x = 930,707.40

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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.