Home / 788,596.89-1,183,234.32-256,281.09

Finding the Fourth Proportional to 788,596.89, 1,183,234.32 and 256,281.09

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Solution

The fourth proportional to 788,596.89, 1,183,234.32 and 256,281.09 is: 384,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,596.89 : 1,183,234.32 = 256,281.09 : x
  2. Step 2: Convert to fraction form
    788,596.89/1,183,234.32 = 256,281.09/x
  3. Step 3: Cross multiply
    788,596.89x = 1,183,234.32 × 256,281.09
  4. Step 4: Simplify right side
    788,596.89x = 303,240,581,255.01
  5. Step 5: Solve for x
    x = 303,240,581,255.01/788,596.89
  6. Step 6: Final answer
    x = 384,531.80

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Double scale
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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.