Home / 686,283.08-1,029,554.16-259,946.60

Finding the Fourth Proportional to 686,283.08, 1,029,554.16 and 259,946.60

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Solution

The fourth proportional to 686,283.08, 1,029,554.16 and 259,946.60 is: 389,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,283.08 : 1,029,554.16 = 259,946.60 : x
  2. Step 2: Convert to fraction form
    686,283.08/1,029,554.16 = 259,946.60/x
  3. Step 3: Cross multiply
    686,283.08x = 1,029,554.16 × 259,946.60
  4. Step 4: Simplify right side
    686,283.08x = 267,629,103,407.86
  5. Step 5: Solve for x
    x = 267,629,103,407.86/686,283.08
  6. Step 6: Final answer
    x = 389,968.97

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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.