Home / 936,003.86-1,291,574.26-528,081.92

Finding the Fourth Proportional to 936,003.86, 1,291,574.26 and 528,081.92

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Solution

The fourth proportional to 936,003.86, 1,291,574.26 and 528,081.92 is: 728,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,003.86 : 1,291,574.26 = 528,081.92 : x
  2. Step 2: Convert to fraction form
    936,003.86/1,291,574.26 = 528,081.92/x
  3. Step 3: Cross multiply
    936,003.86x = 1,291,574.26 × 528,081.92
  4. Step 4: Simplify right side
    936,003.86x = 682,057,015,043.38
  5. Step 5: Solve for x
    x = 682,057,015,043.38/936,003.86
  6. Step 6: Final answer
    x = 728,690.39

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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.