Home / 768,333.87-1,152,205.43-530,956.89

Finding the Fourth Proportional to 768,333.87, 1,152,205.43 and 530,956.89

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Solution

The fourth proportional to 768,333.87, 1,152,205.43 and 530,956.89 is: 796,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,333.87 : 1,152,205.43 = 530,956.89 : x
  2. Step 2: Convert to fraction form
    768,333.87/1,152,205.43 = 530,956.89/x
  3. Step 3: Cross multiply
    768,333.87x = 1,152,205.43 × 530,956.89
  4. Step 4: Simplify right side
    768,333.87x = 611,771,409,099.13
  5. Step 5: Solve for x
    x = 611,771,409,099.13/768,333.87
  6. Step 6: Final answer
    x = 796,231.21

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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.