Home / 445,558.20-614,902.90-254,567.50

Finding the Fourth Proportional to 445,558.20, 614,902.90 and 254,567.50

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Solution

The fourth proportional to 445,558.20, 614,902.90 and 254,567.50 is: 351,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,558.20 : 614,902.90 = 254,567.50 : x
  2. Step 2: Convert to fraction form
    445,558.20/614,902.90 = 254,567.50/x
  3. Step 3: Cross multiply
    445,558.20x = 614,902.90 × 254,567.50
  4. Step 4: Simplify right side
    445,558.20x = 156,534,293,995.75
  5. Step 5: Solve for x
    x = 156,534,293,995.75/445,558.20
  6. Step 6: Final answer
    x = 351,321.77

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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.