Home / 1,429,903.96-2,140,245.06-789,199

Finding the Fourth Proportional to 1,429,903.96, 2,140,245.06 and 789,199

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Solution

The fourth proportional to 1,429,903.96, 2,140,245.06 and 789,199 is: 1,181,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,903.96 : 2,140,245.06 = 789,199 : x
  2. Step 2: Convert to fraction form
    1,429,903.96/2,140,245.06 = 789,199/x
  3. Step 3: Cross multiply
    1,429,903.96x = 2,140,245.06 × 789,199
  4. Step 4: Simplify right side
    1,429,903.96x = 1,689,079,261,106.94
  5. Step 5: Solve for x
    x = 1,689,079,261,106.94/1,429,903.96
  6. Step 6: Final answer
    x = 1,181,253.64

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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.