Home / 414,639.60-621,962.28-177,782.64

Finding the Fourth Proportional to 414,639.60, 621,962.28 and 177,782.64

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Solution

The fourth proportional to 414,639.60, 621,962.28 and 177,782.64 is: 266,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,639.60 : 621,962.28 = 177,782.64 : x
  2. Step 2: Convert to fraction form
    414,639.60/621,962.28 = 177,782.64/x
  3. Step 3: Cross multiply
    414,639.60x = 621,962.28 × 177,782.64
  4. Step 4: Simplify right side
    414,639.60x = 110,574,096,118.82
  5. Step 5: Solve for x
    x = 110,574,096,118.82/414,639.60
  6. Step 6: Final answer
    x = 266,675.19

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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.