Home / 705,958.40-1,058,384.64-483,668.48

Finding the Fourth Proportional to 705,958.40, 1,058,384.64 and 483,668.48

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Solution

The fourth proportional to 705,958.40, 1,058,384.64 and 483,668.48 is: 725,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,958.40 : 1,058,384.64 = 483,668.48 : x
  2. Step 2: Convert to fraction form
    705,958.40/1,058,384.64 = 483,668.48/x
  3. Step 3: Cross multiply
    705,958.40x = 1,058,384.64 × 483,668.48
  4. Step 4: Simplify right side
    705,958.40x = 511,907,290,084.15
  5. Step 5: Solve for x
    x = 511,907,290,084.15/705,958.40
  6. Step 6: Final answer
    x = 725,123.87

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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.