Home / 980,261.36-1,470,967.56-411,598.74

Finding the Fourth Proportional to 980,261.36, 1,470,967.56 and 411,598.74

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Solution

The fourth proportional to 980,261.36, 1,470,967.56 and 411,598.74 is: 617,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,261.36 : 1,470,967.56 = 411,598.74 : x
  2. Step 2: Convert to fraction form
    980,261.36/1,470,967.56 = 411,598.74/x
  3. Step 3: Cross multiply
    980,261.36x = 1,470,967.56 × 411,598.74
  4. Step 4: Simplify right side
    980,261.36x = 605,448,394,276.87
  5. Step 5: Solve for x
    x = 605,448,394,276.87/980,261.36
  6. Step 6: Final answer
    x = 617,639.76

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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.