Home / 469,922.22-648,475.29-255,057.68

Finding the Fourth Proportional to 469,922.22, 648,475.29 and 255,057.68

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Solution

The fourth proportional to 469,922.22, 648,475.29 and 255,057.68 is: 351,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,922.22 : 648,475.29 = 255,057.68 : x
  2. Step 2: Convert to fraction form
    469,922.22/648,475.29 = 255,057.68/x
  3. Step 3: Cross multiply
    469,922.22x = 648,475.29 × 255,057.68
  4. Step 4: Simplify right side
    469,922.22x = 165,398,599,762.35
  5. Step 5: Solve for x
    x = 165,398,599,762.35/469,922.22
  6. Step 6: Final answer
    x = 351,970.16

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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.