Home / 414,414.85-621,622.43-186,444.23

Finding the Fourth Proportional to 414,414.85, 621,622.43 and 186,444.23

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Solution

The fourth proportional to 414,414.85, 621,622.43 and 186,444.23 is: 279,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,414.85 : 621,622.43 = 186,444.23 : x
  2. Step 2: Convert to fraction form
    414,414.85/621,622.43 = 186,444.23/x
  3. Step 3: Cross multiply
    414,414.85x = 621,622.43 × 186,444.23
  4. Step 4: Simplify right side
    414,414.85x = 115,897,915,312.08
  5. Step 5: Solve for x
    x = 115,897,915,312.08/414,414.85
  6. Step 6: Final answer
    x = 279,666.41

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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.