Home / 1,212,244.90-1,818,194.55-413,563.30

Finding the Fourth Proportional to 1,212,244.90, 1,818,194.55 and 413,563.30

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Solution

The fourth proportional to 1,212,244.90, 1,818,194.55 and 413,563.30 is: 620,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,244.90 : 1,818,194.55 = 413,563.30 : x
  2. Step 2: Convert to fraction form
    1,212,244.90/1,818,194.55 = 413,563.30/x
  3. Step 3: Cross multiply
    1,212,244.90x = 1,818,194.55 × 413,563.30
  4. Step 4: Simplify right side
    1,212,244.90x = 751,938,538,140.02
  5. Step 5: Solve for x
    x = 751,938,538,140.02/1,212,244.90
  6. Step 6: Final answer
    x = 620,286.00

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Double scale
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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.