Home / 800,065.58-1,103,147.10-646,629.30

Finding the Fourth Proportional to 800,065.58, 1,103,147.10 and 646,629.30

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Solution

The fourth proportional to 800,065.58, 1,103,147.10 and 646,629.30 is: 891,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,065.58 : 1,103,147.10 = 646,629.30 : x
  2. Step 2: Convert to fraction form
    800,065.58/1,103,147.10 = 646,629.30/x
  3. Step 3: Cross multiply
    800,065.58x = 1,103,147.10 × 646,629.30
  4. Step 4: Simplify right side
    800,065.58x = 713,327,237,070.03
  5. Step 5: Solve for x
    x = 713,327,237,070.03/800,065.58
  6. Step 6: Final answer
    x = 891,585.96

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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.