Home / 470,130.30-648,761.58-255,265.44

Finding the Fourth Proportional to 470,130.30, 648,761.58 and 255,265.44

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Solution

The fourth proportional to 470,130.30, 648,761.58 and 255,265.44 is: 352,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,130.30 : 648,761.58 = 255,265.44 : x
  2. Step 2: Convert to fraction form
    470,130.30/648,761.58 = 255,265.44/x
  3. Step 3: Cross multiply
    470,130.30x = 648,761.58 × 255,265.44
  4. Step 4: Simplify right side
    470,130.30x = 165,606,410,173.80
  5. Step 5: Solve for x
    x = 165,606,410,173.80/470,130.30
  6. Step 6: Final answer
    x = 352,256.41

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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.