Home / 414,559.12-621,831.72-186,728.04

Finding the Fourth Proportional to 414,559.12, 621,831.72 and 186,728.04

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Solution

The fourth proportional to 414,559.12, 621,831.72 and 186,728.04 is: 280,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,559.12 : 621,831.72 = 186,728.04 : x
  2. Step 2: Convert to fraction form
    414,559.12/621,831.72 = 186,728.04/x
  3. Step 3: Cross multiply
    414,559.12x = 621,831.72 × 186,728.04
  4. Step 4: Simplify right side
    414,559.12x = 116,113,418,285.43
  5. Step 5: Solve for x
    x = 116,113,418,285.43/414,559.12
  6. Step 6: Final answer
    x = 280,088.93

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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.