Home / 816,283.02-1,126,297.71-493,930.38

Finding the Fourth Proportional to 816,283.02, 1,126,297.71 and 493,930.38

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Solution

The fourth proportional to 816,283.02, 1,126,297.71 and 493,930.38 is: 681,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,283.02 : 1,126,297.71 = 493,930.38 : x
  2. Step 2: Convert to fraction form
    816,283.02/1,126,297.71 = 493,930.38/x
  3. Step 3: Cross multiply
    816,283.02x = 1,126,297.71 × 493,930.38
  4. Step 4: Simplify right side
    816,283.02x = 556,312,655,893.43
  5. Step 5: Solve for x
    x = 556,312,655,893.43/816,283.02
  6. Step 6: Final answer
    x = 681,519.33

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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.