Home / 470,109.36-648,764.06-255,262.53

Finding the Fourth Proportional to 470,109.36, 648,764.06 and 255,262.53

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Solution

The fourth proportional to 470,109.36, 648,764.06 and 255,262.53 is: 352,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,109.36 : 648,764.06 = 255,262.53 : x
  2. Step 2: Convert to fraction form
    470,109.36/648,764.06 = 255,262.53/x
  3. Step 3: Cross multiply
    470,109.36x = 648,764.06 × 255,262.53
  4. Step 4: Simplify right side
    470,109.36x = 165,605,154,052.36
  5. Step 5: Solve for x
    x = 165,605,154,052.36/470,109.36
  6. Step 6: Final answer
    x = 352,269.43

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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.