Home / 1,311,554.32-1,967,320.56-364,922.32

Finding the Fourth Proportional to 1,311,554.32, 1,967,320.56 and 364,922.32

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Solution

The fourth proportional to 1,311,554.32, 1,967,320.56 and 364,922.32 is: 547,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,554.32 : 1,967,320.56 = 364,922.32 : x
  2. Step 2: Convert to fraction form
    1,311,554.32/1,967,320.56 = 364,922.32/x
  3. Step 3: Cross multiply
    1,311,554.32x = 1,967,320.56 × 364,922.32
  4. Step 4: Simplify right side
    1,311,554.32x = 717,919,182,938.90
  5. Step 5: Solve for x
    x = 717,919,182,938.90/1,311,554.32
  6. Step 6: Final answer
    x = 547,380.44

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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.