Home / 414,640.23-621,671.76-183,703.82

Finding the Fourth Proportional to 414,640.23, 621,671.76 and 183,703.82

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Solution

The fourth proportional to 414,640.23, 621,671.76 and 183,703.82 is: 275,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,640.23 : 621,671.76 = 183,703.82 : x
  2. Step 2: Convert to fraction form
    414,640.23/621,671.76 = 183,703.82/x
  3. Step 3: Cross multiply
    414,640.23x = 621,671.76 × 183,703.82
  4. Step 4: Simplify right side
    414,640.23x = 114,203,473,989.76
  5. Step 5: Solve for x
    x = 114,203,473,989.76/414,640.23
  6. Step 6: Final answer
    x = 275,427.87

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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.