Home / 467,705.32-645,431.41-252,845.32

Finding the Fourth Proportional to 467,705.32, 645,431.41 and 252,845.32

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Solution

The fourth proportional to 467,705.32, 645,431.41 and 252,845.32 is: 348,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,705.32 : 645,431.41 = 252,845.32 : x
  2. Step 2: Convert to fraction form
    467,705.32/645,431.41 = 252,845.32/x
  3. Step 3: Cross multiply
    467,705.32x = 645,431.41 × 252,845.32
  4. Step 4: Simplify right side
    467,705.32x = 163,194,311,399.50
  5. Step 5: Solve for x
    x = 163,194,311,399.50/467,705.32
  6. Step 6: Final answer
    x = 348,925.50

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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.