Home / 628,683.06-943,221.33-404,296.86

Finding the Fourth Proportional to 628,683.06, 943,221.33 and 404,296.86

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Solution

The fourth proportional to 628,683.06, 943,221.33 and 404,296.86 is: 606,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,683.06 : 943,221.33 = 404,296.86 : x
  2. Step 2: Convert to fraction form
    628,683.06/943,221.33 = 404,296.86/x
  3. Step 3: Cross multiply
    628,683.06x = 943,221.33 × 404,296.86
  4. Step 4: Simplify right side
    628,683.06x = 381,341,422,004.02
  5. Step 5: Solve for x
    x = 381,341,422,004.02/628,683.06
  6. Step 6: Final answer
    x = 606,571.81

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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.