Home / 1,286,314.30-1,775,222.85-713,539

Finding the Fourth Proportional to 1,286,314.30, 1,775,222.85 and 713,539

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Solution

The fourth proportional to 1,286,314.30, 1,775,222.85 and 713,539 is: 984,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,314.30 : 1,775,222.85 = 713,539 : x
  2. Step 2: Convert to fraction form
    1,286,314.30/1,775,222.85 = 713,539/x
  3. Step 3: Cross multiply
    1,286,314.30x = 1,775,222.85 × 713,539
  4. Step 4: Simplify right side
    1,286,314.30x = 1,266,690,737,166.15
  5. Step 5: Solve for x
    x = 1,266,690,737,166.15/1,286,314.30
  6. Step 6: Final answer
    x = 984,744.35

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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.