Home / 405,004.18-607,604.67-124,521.43

Finding the Fourth Proportional to 405,004.18, 607,604.67 and 124,521.43

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Solution

The fourth proportional to 405,004.18, 607,604.67 and 124,521.43 is: 186,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,004.18 : 607,604.67 = 124,521.43 : x
  2. Step 2: Convert to fraction form
    405,004.18/607,604.67 = 124,521.43/x
  3. Step 3: Cross multiply
    405,004.18x = 607,604.67 × 124,521.43
  4. Step 4: Simplify right side
    405,004.18x = 75,659,802,383.08
  5. Step 5: Solve for x
    x = 75,659,802,383.08/405,004.18
  6. Step 6: Final answer
    x = 186,812.40

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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.