Home / 469,947.92-648,529.60-255,088.16

Finding the Fourth Proportional to 469,947.92, 648,529.60 and 255,088.16

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Solution

The fourth proportional to 469,947.92, 648,529.60 and 255,088.16 is: 352,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,947.92 : 648,529.60 = 255,088.16 : x
  2. Step 2: Convert to fraction form
    469,947.92/648,529.60 = 255,088.16/x
  3. Step 3: Cross multiply
    469,947.92x = 648,529.60 × 255,088.16
  4. Step 4: Simplify right side
    469,947.92x = 165,432,222,369.54
  5. Step 5: Solve for x
    x = 165,432,222,369.54/469,947.92
  6. Step 6: Final answer
    x = 352,022.46

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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.