Home / 470,204.35-648,876.28-255,345.96

Finding the Fourth Proportional to 470,204.35, 648,876.28 and 255,345.96

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Solution

The fourth proportional to 470,204.35, 648,876.28 and 255,345.96 is: 352,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,204.35 : 648,876.28 = 255,345.96 : x
  2. Step 2: Convert to fraction form
    470,204.35/648,876.28 = 255,345.96/x
  3. Step 3: Cross multiply
    470,204.35x = 648,876.28 × 255,345.96
  4. Step 4: Simplify right side
    470,204.35x = 165,687,936,637.83
  5. Step 5: Solve for x
    x = 165,687,936,637.83/470,204.35
  6. Step 6: Final answer
    x = 352,374.32

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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.