Home / 769,441.94-1,154,222.49-257,108.85

Finding the Fourth Proportional to 769,441.94, 1,154,222.49 and 257,108.85

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Solution

The fourth proportional to 769,441.94, 1,154,222.49 and 257,108.85 is: 385,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,441.94 : 1,154,222.49 = 257,108.85 : x
  2. Step 2: Convert to fraction form
    769,441.94/1,154,222.49 = 257,108.85/x
  3. Step 3: Cross multiply
    769,441.94x = 1,154,222.49 × 257,108.85
  4. Step 4: Simplify right side
    769,441.94x = 296,760,817,048.04
  5. Step 5: Solve for x
    x = 296,760,817,048.04/769,441.94
  6. Step 6: Final answer
    x = 385,683.18

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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.