Home / 767,101.82-1,150,984.79-411,700.55

Finding the Fourth Proportional to 767,101.82, 1,150,984.79 and 411,700.55

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Solution

The fourth proportional to 767,101.82, 1,150,984.79 and 411,700.55 is: 617,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,101.82 : 1,150,984.79 = 411,700.55 : x
  2. Step 2: Convert to fraction form
    767,101.82/1,150,984.79 = 411,700.55/x
  3. Step 3: Cross multiply
    767,101.82x = 1,150,984.79 × 411,700.55
  4. Step 4: Simplify right side
    767,101.82x = 473,861,063,271.21
  5. Step 5: Solve for x
    x = 473,861,063,271.21/767,101.82
  6. Step 6: Final answer
    x = 617,729.03

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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.