Home / 1,903,874.20-2,855,811.30-641,570.20

Finding the Fourth Proportional to 1,903,874.20, 2,855,811.30 and 641,570.20

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Solution

The fourth proportional to 1,903,874.20, 2,855,811.30 and 641,570.20 is: 962,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,874.20 : 2,855,811.30 = 641,570.20 : x
  2. Step 2: Convert to fraction form
    1,903,874.20/2,855,811.30 = 641,570.20/x
  3. Step 3: Cross multiply
    1,903,874.20x = 2,855,811.30 × 641,570.20
  4. Step 4: Simplify right side
    1,903,874.20x = 1,832,203,426,903.26
  5. Step 5: Solve for x
    x = 1,832,203,426,903.26/1,903,874.20
  6. Step 6: Final answer
    x = 962,355.30

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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.