Home / 1,511,515.54-2,085,737.22-930,646.54

Finding the Fourth Proportional to 1,511,515.54, 2,085,737.22 and 930,646.54

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Solution

The fourth proportional to 1,511,515.54, 2,085,737.22 and 930,646.54 is: 1,284,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,515.54 : 2,085,737.22 = 930,646.54 : x
  2. Step 2: Convert to fraction form
    1,511,515.54/2,085,737.22 = 930,646.54/x
  3. Step 3: Cross multiply
    1,511,515.54x = 2,085,737.22 × 930,646.54
  4. Step 4: Simplify right side
    1,511,515.54x = 1,941,084,127,142.22
  5. Step 5: Solve for x
    x = 1,941,084,127,142.22/1,511,515.54
  6. Step 6: Final answer
    x = 1,284,197.27

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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.