Home / 1,763,399.40-2,645,790.30-641,581.80

Finding the Fourth Proportional to 1,763,399.40, 2,645,790.30 and 641,581.80

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Solution

The fourth proportional to 1,763,399.40, 2,645,790.30 and 641,581.80 is: 962,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,399.40 : 2,645,790.30 = 641,581.80 : x
  2. Step 2: Convert to fraction form
    1,763,399.40/2,645,790.30 = 641,581.80/x
  3. Step 3: Cross multiply
    1,763,399.40x = 2,645,790.30 × 641,581.80
  4. Step 4: Simplify right side
    1,763,399.40x = 1,697,490,903,096.54
  5. Step 5: Solve for x
    x = 1,697,490,903,096.54/1,763,399.40
  6. Step 6: Final answer
    x = 962,624.18

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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.