Home / 469,914.24-648,471.36-255,054.72

Finding the Fourth Proportional to 469,914.24, 648,471.36 and 255,054.72

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Solution

The fourth proportional to 469,914.24, 648,471.36 and 255,054.72 is: 351,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,914.24 : 648,471.36 = 255,054.72 : x
  2. Step 2: Convert to fraction form
    469,914.24/648,471.36 = 255,054.72/x
  3. Step 3: Cross multiply
    469,914.24x = 648,471.36 × 255,054.72
  4. Step 4: Simplify right side
    469,914.24x = 165,395,681,152.82
  5. Step 5: Solve for x
    x = 165,395,681,152.82/469,914.24
  6. Step 6: Final answer
    x = 351,969.93

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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.