Home / 980,262.11-1,470,968.69-411,599.49

Finding the Fourth Proportional to 980,262.11, 1,470,968.69 and 411,599.49

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Solution

The fourth proportional to 980,262.11, 1,470,968.69 and 411,599.49 is: 617,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,262.11 : 1,470,968.69 = 411,599.49 : x
  2. Step 2: Convert to fraction form
    980,262.11/1,470,968.69 = 411,599.49/x
  3. Step 3: Cross multiply
    980,262.11x = 1,470,968.69 × 411,599.49
  4. Step 4: Simplify right side
    980,262.11x = 605,449,955,035.84
  5. Step 5: Solve for x
    x = 605,449,955,035.84/980,262.11
  6. Step 6: Final answer
    x = 617,640.88

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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.