Home / 866,813.58-1,299,897.05-298,033.74

Finding the Fourth Proportional to 866,813.58, 1,299,897.05 and 298,033.74

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Solution

The fourth proportional to 866,813.58, 1,299,897.05 and 298,033.74 is: 446,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,813.58 : 1,299,897.05 = 298,033.74 : x
  2. Step 2: Convert to fraction form
    866,813.58/1,299,897.05 = 298,033.74/x
  3. Step 3: Cross multiply
    866,813.58x = 1,299,897.05 × 298,033.74
  4. Step 4: Simplify right side
    866,813.58x = 387,413,177,936.30
  5. Step 5: Solve for x
    x = 387,413,177,936.30/866,813.58
  6. Step 6: Final answer
    x = 446,939.44

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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.