Home / 540,961.52-746,453.79-308,418.46

Finding the Fourth Proportional to 540,961.52, 746,453.79 and 308,418.46

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Solution

The fourth proportional to 540,961.52, 746,453.79 and 308,418.46 is: 425,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,961.52 : 746,453.79 = 308,418.46 : x
  2. Step 2: Convert to fraction form
    540,961.52/746,453.79 = 308,418.46/x
  3. Step 3: Cross multiply
    540,961.52x = 746,453.79 × 308,418.46
  4. Step 4: Simplify right side
    540,961.52x = 230,220,126,506.83
  5. Step 5: Solve for x
    x = 230,220,126,506.83/540,961.52
  6. Step 6: Final answer
    x = 425,575.79

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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.