Home / 469,895.58-648,456.48-255,035.64

Finding the Fourth Proportional to 469,895.58, 648,456.48 and 255,035.64

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Solution

The fourth proportional to 469,895.58, 648,456.48 and 255,035.64 is: 351,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,895.58 : 648,456.48 = 255,035.64 : x
  2. Step 2: Convert to fraction form
    469,895.58/648,456.48 = 255,035.64/x
  3. Step 3: Cross multiply
    469,895.58x = 648,456.48 × 255,035.64
  4. Step 4: Simplify right side
    469,895.58x = 165,379,513,388.95
  5. Step 5: Solve for x
    x = 165,379,513,388.95/469,895.58
  6. Step 6: Final answer
    x = 351,949.50

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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.