Home / 1,019,621.84-1,529,333.35-309,656.03

Finding the Fourth Proportional to 1,019,621.84, 1,529,333.35 and 309,656.03

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Solution

The fourth proportional to 1,019,621.84, 1,529,333.35 and 309,656.03 is: 464,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,621.84 : 1,529,333.35 = 309,656.03 : x
  2. Step 2: Convert to fraction form
    1,019,621.84/1,529,333.35 = 309,656.03/x
  3. Step 3: Cross multiply
    1,019,621.84x = 1,529,333.35 × 309,656.03
  4. Step 4: Simplify right side
    1,019,621.84x = 473,567,285,286.79
  5. Step 5: Solve for x
    x = 473,567,285,286.79/1,019,621.84
  6. Step 6: Final answer
    x = 464,453.85

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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.