Home / 469,914.69-648,483.01-255,054.85

Finding the Fourth Proportional to 469,914.69, 648,483.01 and 255,054.85

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Solution

The fourth proportional to 469,914.69, 648,483.01 and 255,054.85 is: 351,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,914.69 : 648,483.01 = 255,054.85 : x
  2. Step 2: Convert to fraction form
    469,914.69/648,483.01 = 255,054.85/x
  3. Step 3: Cross multiply
    469,914.69x = 648,483.01 × 255,054.85
  4. Step 4: Simplify right side
    469,914.69x = 165,398,737,842.80
  5. Step 5: Solve for x
    x = 165,398,737,842.80/469,914.69
  6. Step 6: Final answer
    x = 351,976.09

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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.