Home / 1,861,903.56-2,793,074.04-663,996.16

Finding the Fourth Proportional to 1,861,903.56, 2,793,074.04 and 663,996.16

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Solution

The fourth proportional to 1,861,903.56, 2,793,074.04 and 663,996.16 is: 996,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,903.56 : 2,793,074.04 = 663,996.16 : x
  2. Step 2: Convert to fraction form
    1,861,903.56/2,793,074.04 = 663,996.16/x
  3. Step 3: Cross multiply
    1,861,903.56x = 2,793,074.04 × 663,996.16
  4. Step 4: Simplify right side
    1,861,903.56x = 1,854,590,437,155.69
  5. Step 5: Solve for x
    x = 1,854,590,437,155.69/1,861,903.56
  6. Step 6: Final answer
    x = 996,072.23

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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.