Home / 930,399.75-1,284,439.30-626,076.27

Finding the Fourth Proportional to 930,399.75, 1,284,439.30 and 626,076.27

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Solution

The fourth proportional to 930,399.75, 1,284,439.30 and 626,076.27 is: 864,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,399.75 : 1,284,439.30 = 626,076.27 : x
  2. Step 2: Convert to fraction form
    930,399.75/1,284,439.30 = 626,076.27/x
  3. Step 3: Cross multiply
    930,399.75x = 1,284,439.30 × 626,076.27
  4. Step 4: Simplify right side
    930,399.75x = 804,156,964,420.22
  5. Step 5: Solve for x
    x = 804,156,964,420.22/930,399.75
  6. Step 6: Final answer
    x = 864,313.39

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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.