Home / 470,112.20-648,759.54-255,254.04

Finding the Fourth Proportional to 470,112.20, 648,759.54 and 255,254.04

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Solution

The fourth proportional to 470,112.20, 648,759.54 and 255,254.04 is: 352,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,112.20 : 648,759.54 = 255,254.04 : x
  2. Step 2: Convert to fraction form
    470,112.20/648,759.54 = 255,254.04/x
  3. Step 3: Cross multiply
    470,112.20x = 648,759.54 × 255,254.04
  4. Step 4: Simplify right side
    470,112.20x = 165,598,493,573.54
  5. Step 5: Solve for x
    x = 165,598,493,573.54/470,112.20
  6. Step 6: Final answer
    x = 352,253.13

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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.