Home / 642,186.70-963,474.41-242,949.85

Finding the Fourth Proportional to 642,186.70, 963,474.41 and 242,949.85

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Solution

The fourth proportional to 642,186.70, 963,474.41 and 242,949.85 is: 364,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,186.70 : 963,474.41 = 242,949.85 : x
  2. Step 2: Convert to fraction form
    642,186.70/963,474.41 = 242,949.85/x
  3. Step 3: Cross multiply
    642,186.70x = 963,474.41 × 242,949.85
  4. Step 4: Simplify right side
    642,186.70x = 234,075,962,173.59
  5. Step 5: Solve for x
    x = 234,075,962,173.59/642,186.70
  6. Step 6: Final answer
    x = 364,498.30

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1.5x scale

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.