Home / 1,903,511.76-2,855,282.22-641,321.16

Finding the Fourth Proportional to 1,903,511.76, 2,855,282.22 and 641,321.16

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Solution

The fourth proportional to 1,903,511.76, 2,855,282.22 and 641,321.16 is: 961,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,511.76 : 2,855,282.22 = 641,321.16 : x
  2. Step 2: Convert to fraction form
    1,903,511.76/2,855,282.22 = 641,321.16/x
  3. Step 3: Cross multiply
    1,903,511.76x = 2,855,282.22 × 641,321.16
  4. Step 4: Simplify right side
    1,903,511.76x = 1,831,152,905,457.78
  5. Step 5: Solve for x
    x = 1,831,152,905,457.78/1,903,511.76
  6. Step 6: Final answer
    x = 961,986.65

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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.