Home / 456,871.58-629,074.56-405,795.56

Finding the Fourth Proportional to 456,871.58, 629,074.56 and 405,795.56

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Solution

The fourth proportional to 456,871.58, 629,074.56 and 405,795.56 is: 558,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,871.58 : 629,074.56 = 405,795.56 : x
  2. Step 2: Convert to fraction form
    456,871.58/629,074.56 = 405,795.56/x
  3. Step 3: Cross multiply
    456,871.58x = 629,074.56 × 405,795.56
  4. Step 4: Simplify right side
    456,871.58x = 255,275,663,356.95
  5. Step 5: Solve for x
    x = 255,275,663,356.95/456,871.58
  6. Step 6: Final answer
    x = 558,747.08

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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.