Home / 1,404,775.02-1,938,382.23-823,778.43

Finding the Fourth Proportional to 1,404,775.02, 1,938,382.23 and 823,778.43

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Solution

The fourth proportional to 1,404,775.02, 1,938,382.23 and 823,778.43 is: 1,136,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,775.02 : 1,938,382.23 = 823,778.43 : x
  2. Step 2: Convert to fraction form
    1,404,775.02/1,938,382.23 = 823,778.43/x
  3. Step 3: Cross multiply
    1,404,775.02x = 1,938,382.23 × 823,778.43
  4. Step 4: Simplify right side
    1,404,775.02x = 1,596,797,470,169.30
  5. Step 5: Solve for x
    x = 1,596,797,470,169.30/1,404,775.02
  6. Step 6: Final answer
    x = 1,136,692.67

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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.