Home / 1,419,745.10-2,130,200.85-521,617.10

Finding the Fourth Proportional to 1,419,745.10, 2,130,200.85 and 521,617.10

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Solution

The fourth proportional to 1,419,745.10, 2,130,200.85 and 521,617.10 is: 782,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,745.10 : 2,130,200.85 = 521,617.10 : x
  2. Step 2: Convert to fraction form
    1,419,745.10/2,130,200.85 = 521,617.10/x
  3. Step 3: Cross multiply
    1,419,745.10x = 2,130,200.85 × 521,617.10
  4. Step 4: Simplify right side
    1,419,745.10x = 1,111,149,189,794.53
  5. Step 5: Solve for x
    x = 1,111,149,189,794.53/1,419,745.10
  6. Step 6: Final answer
    x = 782,639.92

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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.