Home / 776,871.14-1,072,136.07-470,960.41

Finding the Fourth Proportional to 776,871.14, 1,072,136.07 and 470,960.41

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Solution

The fourth proportional to 776,871.14, 1,072,136.07 and 470,960.41 is: 649,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,871.14 : 1,072,136.07 = 470,960.41 : x
  2. Step 2: Convert to fraction form
    776,871.14/1,072,136.07 = 470,960.41/x
  3. Step 3: Cross multiply
    776,871.14x = 1,072,136.07 × 470,960.41
  4. Step 4: Simplify right side
    776,871.14x = 504,933,643,102.99
  5. Step 5: Solve for x
    x = 504,933,643,102.99/776,871.14
  6. Step 6: Final answer
    x = 649,958.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.