Home / 470,181.98-648,853.54-255,322.05

Finding the Fourth Proportional to 470,181.98, 648,853.54 and 255,322.05

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Solution

The fourth proportional to 470,181.98, 648,853.54 and 255,322.05 is: 352,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,181.98 : 648,853.54 = 255,322.05 : x
  2. Step 2: Convert to fraction form
    470,181.98/648,853.54 = 255,322.05/x
  3. Step 3: Cross multiply
    470,181.98x = 648,853.54 × 255,322.05
  4. Step 4: Simplify right side
    470,181.98x = 165,666,615,982.56
  5. Step 5: Solve for x
    x = 165,666,615,982.56/470,181.98
  6. Step 6: Final answer
    x = 352,345.74

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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.