Home / 697,221.20-1,043,412.60-416,939.60

Finding the Fourth Proportional to 697,221.20, 1,043,412.60 and 416,939.60

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Solution

The fourth proportional to 697,221.20, 1,043,412.60 and 416,939.60 is: 623,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,221.20 : 1,043,412.60 = 416,939.60 : x
  2. Step 2: Convert to fraction form
    697,221.20/1,043,412.60 = 416,939.60/x
  3. Step 3: Cross multiply
    697,221.20x = 1,043,412.60 × 416,939.60
  4. Step 4: Simplify right side
    697,221.20x = 435,040,032,078.96
  5. Step 5: Solve for x
    x = 435,040,032,078.96/697,221.20
  6. Step 6: Final answer
    x = 623,962.71

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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.