Home / 470,431.77-649,194.14-255,569.95

Finding the Fourth Proportional to 470,431.77, 649,194.14 and 255,569.95

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Solution

The fourth proportional to 470,431.77, 649,194.14 and 255,569.95 is: 352,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,431.77 : 649,194.14 = 255,569.95 : x
  2. Step 2: Convert to fraction form
    470,431.77/649,194.14 = 255,569.95/x
  3. Step 3: Cross multiply
    470,431.77x = 649,194.14 × 255,569.95
  4. Step 4: Simplify right side
    470,431.77x = 165,914,515,350.51
  5. Step 5: Solve for x
    x = 165,914,515,350.51/470,431.77
  6. Step 6: Final answer
    x = 352,685.61

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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.