Home / 470,039.36-648,654.88-255,179.52

Finding the Fourth Proportional to 470,039.36, 648,654.88 and 255,179.52

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Solution

The fourth proportional to 470,039.36, 648,654.88 and 255,179.52 is: 352,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,039.36 : 648,654.88 = 255,179.52 : x
  2. Step 2: Convert to fraction form
    470,039.36/648,654.88 = 255,179.52/x
  3. Step 3: Cross multiply
    470,039.36x = 648,654.88 × 255,179.52
  4. Step 4: Simplify right side
    470,039.36x = 165,523,440,924.06
  5. Step 5: Solve for x
    x = 165,523,440,924.06/470,039.36
  6. Step 6: Final answer
    x = 352,148.04

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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.