Home / 788,783.70-1,183,175.55-539,951.70

Finding the Fourth Proportional to 788,783.70, 1,183,175.55 and 539,951.70

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Solution

The fourth proportional to 788,783.70, 1,183,175.55 and 539,951.70 is: 809,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,783.70 : 1,183,175.55 = 539,951.70 : x
  2. Step 2: Convert to fraction form
    788,783.70/1,183,175.55 = 539,951.70/x
  3. Step 3: Cross multiply
    788,783.70x = 1,183,175.55 × 539,951.70
  4. Step 4: Simplify right side
    788,783.70x = 638,857,649,620.94
  5. Step 5: Solve for x
    x = 638,857,649,620.94/788,783.70
  6. Step 6: Final answer
    x = 809,927.55

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Similar ratio
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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.