Home / 828,585.44-1,242,090.72-528,223.04

Finding the Fourth Proportional to 828,585.44, 1,242,090.72 and 528,223.04

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Solution

The fourth proportional to 828,585.44, 1,242,090.72 and 528,223.04 is: 791,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,585.44 : 1,242,090.72 = 528,223.04 : x
  2. Step 2: Convert to fraction form
    828,585.44/1,242,090.72 = 528,223.04/x
  3. Step 3: Cross multiply
    828,585.44x = 1,242,090.72 × 528,223.04
  4. Step 4: Simplify right side
    828,585.44x = 656,100,936,074.19
  5. Step 5: Solve for x
    x = 656,100,936,074.19/828,585.44
  6. Step 6: Final answer
    x = 791,832.57

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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.