Home / 603,623.70-905,435.55-248,519.70

Finding the Fourth Proportional to 603,623.70, 905,435.55 and 248,519.70

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Solution

The fourth proportional to 603,623.70, 905,435.55 and 248,519.70 is: 372,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,623.70 : 905,435.55 = 248,519.70 : x
  2. Step 2: Convert to fraction form
    603,623.70/905,435.55 = 248,519.70/x
  3. Step 3: Cross multiply
    603,623.70x = 905,435.55 × 248,519.70
  4. Step 4: Simplify right side
    603,623.70x = 225,018,571,255.34
  5. Step 5: Solve for x
    x = 225,018,571,255.34/603,623.70
  6. Step 6: Final answer
    x = 372,779.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.