Home / 868,453.41-1,198,477.71-500,923.20

Finding the Fourth Proportional to 868,453.41, 1,198,477.71 and 500,923.20

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Solution

The fourth proportional to 868,453.41, 1,198,477.71 and 500,923.20 is: 691,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,453.41 : 1,198,477.71 = 500,923.20 : x
  2. Step 2: Convert to fraction form
    868,453.41/1,198,477.71 = 500,923.20/x
  3. Step 3: Cross multiply
    868,453.41x = 1,198,477.71 × 500,923.20
  4. Step 4: Simplify right side
    868,453.41x = 600,345,289,621.87
  5. Step 5: Solve for x
    x = 600,345,289,621.87/868,453.41
  6. Step 6: Final answer
    x = 691,280.94

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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.