Home / 931,602.80-1,396,879.26-324,112.52

Finding the Fourth Proportional to 931,602.80, 1,396,879.26 and 324,112.52

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Solution

The fourth proportional to 931,602.80, 1,396,879.26 and 324,112.52 is: 485,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,602.80 : 1,396,879.26 = 324,112.52 : x
  2. Step 2: Convert to fraction form
    931,602.80/1,396,879.26 = 324,112.52/x
  3. Step 3: Cross multiply
    931,602.80x = 1,396,879.26 × 324,112.52
  4. Step 4: Simplify right side
    931,602.80x = 452,746,057,094.34
  5. Step 5: Solve for x
    x = 452,746,057,094.34/931,602.80
  6. Step 6: Final answer
    x = 485,986.15

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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.