Home / 1,147,665.92-1,583,652.48-664,136.96

Finding the Fourth Proportional to 1,147,665.92, 1,583,652.48 and 664,136.96

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Solution

The fourth proportional to 1,147,665.92, 1,583,652.48 and 664,136.96 is: 916,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,665.92 : 1,583,652.48 = 664,136.96 : x
  2. Step 2: Convert to fraction form
    1,147,665.92/1,583,652.48 = 664,136.96/x
  3. Step 3: Cross multiply
    1,147,665.92x = 1,583,652.48 × 664,136.96
  4. Step 4: Simplify right side
    1,147,665.92x = 1,051,762,143,763.66
  5. Step 5: Solve for x
    x = 1,051,762,143,763.66/1,147,665.92
  6. Step 6: Final answer
    x = 916,435.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.