Home / 543,973.28-815,376.56-263,104.16

Finding the Fourth Proportional to 543,973.28, 815,376.56 and 263,104.16

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Solution

The fourth proportional to 543,973.28, 815,376.56 and 263,104.16 is: 394,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,973.28 : 815,376.56 = 263,104.16 : x
  2. Step 2: Convert to fraction form
    543,973.28/815,376.56 = 263,104.16/x
  3. Step 3: Cross multiply
    543,973.28x = 815,376.56 × 263,104.16
  4. Step 4: Simplify right side
    543,973.28x = 214,528,964,902.49
  5. Step 5: Solve for x
    x = 214,528,964,902.49/543,973.28
  6. Step 6: Final answer
    x = 394,374.09

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1.5x scale

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.