Home / 394,968.76-544,822.90-242,075.56

Finding the Fourth Proportional to 394,968.76, 544,822.90 and 242,075.56

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Solution

The fourth proportional to 394,968.76, 544,822.90 and 242,075.56 is: 333,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,968.76 : 544,822.90 = 242,075.56 : x
  2. Step 2: Convert to fraction form
    394,968.76/544,822.90 = 242,075.56/x
  3. Step 3: Cross multiply
    394,968.76x = 544,822.90 × 242,075.56
  4. Step 4: Simplify right side
    394,968.76x = 131,888,308,618.32
  5. Step 5: Solve for x
    x = 131,888,308,618.32/394,968.76
  6. Step 6: Final answer
    x = 333,920.86

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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.