Home / 374,436.26-516,661.70-213,294.45

Finding the Fourth Proportional to 374,436.26, 516,661.70 and 213,294.45

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Solution

The fourth proportional to 374,436.26, 516,661.70 and 213,294.45 is: 294,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,436.26 : 516,661.70 = 213,294.45 : x
  2. Step 2: Convert to fraction form
    374,436.26/516,661.70 = 213,294.45/x
  3. Step 3: Cross multiply
    374,436.26x = 516,661.70 × 213,294.45
  4. Step 4: Simplify right side
    374,436.26x = 110,201,072,071.09
  5. Step 5: Solve for x
    x = 110,201,072,071.09/374,436.26
  6. Step 6: Final answer
    x = 294,311.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.