Home / 470,119.97-648,768.12-255,260.04

Finding the Fourth Proportional to 470,119.97, 648,768.12 and 255,260.04

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Solution

The fourth proportional to 470,119.97, 648,768.12 and 255,260.04 is: 352,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,119.97 : 648,768.12 = 255,260.04 : x
  2. Step 2: Convert to fraction form
    470,119.97/648,768.12 = 255,260.04/x
  3. Step 3: Cross multiply
    470,119.97x = 648,768.12 × 255,260.04
  4. Step 4: Simplify right side
    470,119.97x = 165,604,576,261.93
  5. Step 5: Solve for x
    x = 165,604,576,261.93/470,119.97
  6. Step 6: Final answer
    x = 352,260.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.