Home / 1,087,586.46-1,631,380.32-413,512.02

Finding the Fourth Proportional to 1,087,586.46, 1,631,380.32 and 413,512.02

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Solution

The fourth proportional to 1,087,586.46, 1,631,380.32 and 413,512.02 is: 620,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,586.46 : 1,631,380.32 = 413,512.02 : x
  2. Step 2: Convert to fraction form
    1,087,586.46/1,631,380.32 = 413,512.02/x
  3. Step 3: Cross multiply
    1,087,586.46x = 1,631,380.32 × 413,512.02
  4. Step 4: Simplify right side
    1,087,586.46x = 674,595,371,511.45
  5. Step 5: Solve for x
    x = 674,595,371,511.45/1,087,586.46
  6. Step 6: Final answer
    x = 620,268.27

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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.