Home / 705,075.46-1,057,215.75-231,633.70

Finding the Fourth Proportional to 705,075.46, 1,057,215.75 and 231,633.70

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Solution

The fourth proportional to 705,075.46, 1,057,215.75 and 231,633.70 is: 347,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,075.46 : 1,057,215.75 = 231,633.70 : x
  2. Step 2: Convert to fraction form
    705,075.46/1,057,215.75 = 231,633.70/x
  3. Step 3: Cross multiply
    705,075.46x = 1,057,215.75 × 231,633.70
  4. Step 4: Simplify right side
    705,075.46x = 244,886,795,870.78
  5. Step 5: Solve for x
    x = 244,886,795,870.78/705,075.46
  6. Step 6: Final answer
    x = 347,319.98

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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.