Home / 414,740.19-621,113.85-236,707.50

Finding the Fourth Proportional to 414,740.19, 621,113.85 and 236,707.50

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Solution

The fourth proportional to 414,740.19, 621,113.85 and 236,707.50 is: 354,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,740.19 : 621,113.85 = 236,707.50 : x
  2. Step 2: Convert to fraction form
    414,740.19/621,113.85 = 236,707.50/x
  3. Step 3: Cross multiply
    414,740.19x = 621,113.85 × 236,707.50
  4. Step 4: Simplify right side
    414,740.19x = 147,022,306,648.88
  5. Step 5: Solve for x
    x = 147,022,306,648.88/414,740.19
  6. Step 6: Final answer
    x = 354,492.55

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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.