Home / 1,069,401.58-1,604,103.58-321,447.58

Finding the Fourth Proportional to 1,069,401.58, 1,604,103.58 and 321,447.58

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Solution

The fourth proportional to 1,069,401.58, 1,604,103.58 and 321,447.58 is: 482,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,401.58 : 1,604,103.58 = 321,447.58 : x
  2. Step 2: Convert to fraction form
    1,069,401.58/1,604,103.58 = 321,447.58/x
  3. Step 3: Cross multiply
    1,069,401.58x = 1,604,103.58 × 321,447.58
  4. Step 4: Simplify right side
    1,069,401.58x = 515,635,213,860.34
  5. Step 5: Solve for x
    x = 515,635,213,860.34/1,069,401.58
  6. Step 6: Final answer
    x = 482,171.73

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Double scale
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Similar ratio
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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.