Home / 946,531.56-1,306,231.74-516,828.72

Finding the Fourth Proportional to 946,531.56, 1,306,231.74 and 516,828.72

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Solution

The fourth proportional to 946,531.56, 1,306,231.74 and 516,828.72 is: 713,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,531.56 : 1,306,231.74 = 516,828.72 : x
  2. Step 2: Convert to fraction form
    946,531.56/1,306,231.74 = 516,828.72/x
  3. Step 3: Cross multiply
    946,531.56x = 1,306,231.74 × 516,828.72
  4. Step 4: Simplify right side
    946,531.56x = 675,098,078,207.57
  5. Step 5: Solve for x
    x = 675,098,078,207.57/946,531.56
  6. Step 6: Final answer
    x = 713,233.56

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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.