Home / 936,328.30-1,292,137.48-528,447.33

Finding the Fourth Proportional to 936,328.30, 1,292,137.48 and 528,447.33

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Solution

The fourth proportional to 936,328.30, 1,292,137.48 and 528,447.33 is: 729,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,328.30 : 1,292,137.48 = 528,447.33 : x
  2. Step 2: Convert to fraction form
    936,328.30/1,292,137.48 = 528,447.33/x
  3. Step 3: Cross multiply
    936,328.30x = 1,292,137.48 × 528,447.33
  4. Step 4: Simplify right side
    936,328.30x = 682,826,601,298.93
  5. Step 5: Solve for x
    x = 682,826,601,298.93/936,328.30
  6. Step 6: Final answer
    x = 729,259.81

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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.