Home / 938,716.56-1,295,454.31-530,879.38

Finding the Fourth Proportional to 938,716.56, 1,295,454.31 and 530,879.38

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Solution

The fourth proportional to 938,716.56, 1,295,454.31 and 530,879.38 is: 732,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,716.56 : 1,295,454.31 = 530,879.38 : x
  2. Step 2: Convert to fraction form
    938,716.56/1,295,454.31 = 530,879.38/x
  3. Step 3: Cross multiply
    938,716.56x = 1,295,454.31 × 530,879.38
  4. Step 4: Simplify right side
    938,716.56x = 687,729,974,433.86
  5. Step 5: Solve for x
    x = 687,729,974,433.86/938,716.56
  6. Step 6: Final answer
    x = 732,627.94

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Double scale
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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.