Home / 1,958,099.60-2,936,431.77-678,376.55

Finding the Fourth Proportional to 1,958,099.60, 2,936,431.77 and 678,376.55

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Solution

The fourth proportional to 1,958,099.60, 2,936,431.77 and 678,376.55 is: 1,017,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,099.60 : 2,936,431.77 = 678,376.55 : x
  2. Step 2: Convert to fraction form
    1,958,099.60/2,936,431.77 = 678,376.55/x
  3. Step 3: Cross multiply
    1,958,099.60x = 2,936,431.77 × 678,376.55
  4. Step 4: Simplify right side
    1,958,099.60x = 1,992,006,438,760.83
  5. Step 5: Solve for x
    x = 1,992,006,438,760.83/1,958,099.60
  6. Step 6: Final answer
    x = 1,017,316.20

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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.