Home / 414,341.19-621,510.01-114,820.91

Finding the Fourth Proportional to 414,341.19, 621,510.01 and 114,820.91

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Solution

The fourth proportional to 414,341.19, 621,510.01 and 114,820.91 is: 172,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,341.19 : 621,510.01 = 114,820.91 : x
  2. Step 2: Convert to fraction form
    414,341.19/621,510.01 = 114,820.91/x
  3. Step 3: Cross multiply
    414,341.19x = 621,510.01 × 114,820.91
  4. Step 4: Simplify right side
    414,341.19x = 71,362,344,922.31
  5. Step 5: Solve for x
    x = 71,362,344,922.31/414,341.19
  6. Step 6: Final answer
    x = 172,230.87

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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.