Home / 492,126.03-679,085.37-277,304.31

Finding the Fourth Proportional to 492,126.03, 679,085.37 and 277,304.31

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Solution

The fourth proportional to 492,126.03, 679,085.37 and 277,304.31 is: 382,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,126.03 : 679,085.37 = 277,304.31 : x
  2. Step 2: Convert to fraction form
    492,126.03/679,085.37 = 277,304.31/x
  3. Step 3: Cross multiply
    492,126.03x = 679,085.37 × 277,304.31
  4. Step 4: Simplify right side
    492,126.03x = 188,313,299,958.95
  5. Step 5: Solve for x
    x = 188,313,299,958.95/492,126.03
  6. Step 6: Final answer
    x = 382,652.59

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Double scale
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Similar ratio
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1.5x scale

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.