Home / 885,004.80-1,328,198.40-411,748.80

Finding the Fourth Proportional to 885,004.80, 1,328,198.40 and 411,748.80

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Solution

The fourth proportional to 885,004.80, 1,328,198.40 and 411,748.80 is: 617,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,004.80 : 1,328,198.40 = 411,748.80 : x
  2. Step 2: Convert to fraction form
    885,004.80/1,328,198.40 = 411,748.80/x
  3. Step 3: Cross multiply
    885,004.80x = 1,328,198.40 × 411,748.80
  4. Step 4: Simplify right side
    885,004.80x = 546,884,097,361.92
  5. Step 5: Solve for x
    x = 546,884,097,361.92/885,004.80
  6. Step 6: Final answer
    x = 617,944.78

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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.