Home / 823,100.32-1,135,922.43-460,502.47

Finding the Fourth Proportional to 823,100.32, 1,135,922.43 and 460,502.47

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Solution

The fourth proportional to 823,100.32, 1,135,922.43 and 460,502.47 is: 635,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,100.32 : 1,135,922.43 = 460,502.47 : x
  2. Step 2: Convert to fraction form
    823,100.32/1,135,922.43 = 460,502.47/x
  3. Step 3: Cross multiply
    823,100.32x = 1,135,922.43 × 460,502.47
  4. Step 4: Simplify right side
    823,100.32x = 523,095,084,743.40
  5. Step 5: Solve for x
    x = 523,095,084,743.40/823,100.32
  6. Step 6: Final answer
    x = 635,518.02

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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.