Home / 470,119.71-648,776.48-255,268.83

Finding the Fourth Proportional to 470,119.71, 648,776.48 and 255,268.83

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Solution

The fourth proportional to 470,119.71, 648,776.48 and 255,268.83 is: 352,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,119.71 : 648,776.48 = 255,268.83 : x
  2. Step 2: Convert to fraction form
    470,119.71/648,776.48 = 255,268.83/x
  3. Step 3: Cross multiply
    470,119.71x = 648,776.48 × 255,268.83
  4. Step 4: Simplify right side
    470,119.71x = 165,612,412,981.12
  5. Step 5: Solve for x
    x = 165,612,412,981.12/470,119.71
  6. Step 6: Final answer
    x = 352,277.11

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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.