Home / 823,051.78-1,135,855.58-460,454.02

Finding the Fourth Proportional to 823,051.78, 1,135,855.58 and 460,454.02

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Solution

The fourth proportional to 823,051.78, 1,135,855.58 and 460,454.02 is: 635,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,051.78 : 1,135,855.58 = 460,454.02 : x
  2. Step 2: Convert to fraction form
    823,051.78/1,135,855.58 = 460,454.02/x
  3. Step 3: Cross multiply
    823,051.78x = 1,135,855.58 × 460,454.02
  4. Step 4: Simplify right side
    823,051.78x = 523,009,266,693.60
  5. Step 5: Solve for x
    x = 523,009,266,693.60/823,051.78
  6. Step 6: Final answer
    x = 635,451.23

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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.