Home / 823,357.10-1,136,208.38-455,850.60

Finding the Fourth Proportional to 823,357.10, 1,136,208.38 and 455,850.60

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Solution

The fourth proportional to 823,357.10, 1,136,208.38 and 455,850.60 is: 629,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,357.10 : 1,136,208.38 = 455,850.60 : x
  2. Step 2: Convert to fraction form
    823,357.10/1,136,208.38 = 455,850.60/x
  3. Step 3: Cross multiply
    823,357.10x = 1,136,208.38 × 455,850.60
  4. Step 4: Simplify right side
    823,357.10x = 517,941,271,748.03
  5. Step 5: Solve for x
    x = 517,941,271,748.03/823,357.10
  6. Step 6: Final answer
    x = 629,060.31

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Double scale
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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.