Home / 1,394,168.90-2,091,253.35-447,635.30

Finding the Fourth Proportional to 1,394,168.90, 2,091,253.35 and 447,635.30

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Solution

The fourth proportional to 1,394,168.90, 2,091,253.35 and 447,635.30 is: 671,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,168.90 : 2,091,253.35 = 447,635.30 : x
  2. Step 2: Convert to fraction form
    1,394,168.90/2,091,253.35 = 447,635.30/x
  3. Step 3: Cross multiply
    1,394,168.90x = 2,091,253.35 × 447,635.30
  4. Step 4: Simplify right side
    1,394,168.90x = 936,118,820,703.26
  5. Step 5: Solve for x
    x = 936,118,820,703.26/1,394,168.90
  6. Step 6: Final answer
    x = 671,452.95

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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.