Home / 345,904.40-518,467.80-177,359.60

Finding the Fourth Proportional to 345,904.40, 518,467.80 and 177,359.60

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Solution

The fourth proportional to 345,904.40, 518,467.80 and 177,359.60 is: 265,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,904.40 : 518,467.80 = 177,359.60 : x
  2. Step 2: Convert to fraction form
    345,904.40/518,467.80 = 177,359.60/x
  3. Step 3: Cross multiply
    345,904.40x = 518,467.80 × 177,359.60
  4. Step 4: Simplify right side
    345,904.40x = 91,955,241,620.88
  5. Step 5: Solve for x
    x = 91,955,241,620.88/345,904.40
  6. Step 6: Final answer
    x = 265,840.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.