Home / 469,928.16-648,483.41-255,063.60

Finding the Fourth Proportional to 469,928.16, 648,483.41 and 255,063.60

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Solution

The fourth proportional to 469,928.16, 648,483.41 and 255,063.60 is: 351,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,928.16 : 648,483.41 = 255,063.60 : x
  2. Step 2: Convert to fraction form
    469,928.16/648,483.41 = 255,063.60/x
  3. Step 3: Cross multiply
    469,928.16x = 648,483.41 × 255,063.60
  4. Step 4: Simplify right side
    469,928.16x = 165,404,513,732.54
  5. Step 5: Solve for x
    x = 165,404,513,732.54/469,928.16
  6. Step 6: Final answer
    x = 351,978.30

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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.