Home / 1,603,813-2,406,078.20-538,825.80

Finding the Fourth Proportional to 1,603,813, 2,406,078.20 and 538,825.80

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Solution

The fourth proportional to 1,603,813, 2,406,078.20 and 538,825.80 is: 808,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,813 : 2,406,078.20 = 538,825.80 : x
  2. Step 2: Convert to fraction form
    1,603,813/2,406,078.20 = 538,825.80/x
  3. Step 3: Cross multiply
    1,603,813x = 2,406,078.20 × 538,825.80
  4. Step 4: Simplify right side
    1,603,813x = 1,296,457,010,977.56
  5. Step 5: Solve for x
    x = 1,296,457,010,977.56/1,603,813
  6. Step 6: Final answer
    x = 808,359.21

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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.