Home / 831,893.57-1,148,065.62-469,185.09

Finding the Fourth Proportional to 831,893.57, 1,148,065.62 and 469,185.09

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Solution

The fourth proportional to 831,893.57, 1,148,065.62 and 469,185.09 is: 647,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,893.57 : 1,148,065.62 = 469,185.09 : x
  2. Step 2: Convert to fraction form
    831,893.57/1,148,065.62 = 469,185.09/x
  3. Step 3: Cross multiply
    831,893.57x = 1,148,065.62 × 469,185.09
  4. Step 4: Simplify right side
    831,893.57x = 538,655,271,245.61
  5. Step 5: Solve for x
    x = 538,655,271,245.61/831,893.57
  6. Step 6: Final answer
    x = 647,505.03

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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.