Home / 469,945.56-648,525.38-255,085.59

Finding the Fourth Proportional to 469,945.56, 648,525.38 and 255,085.59

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Solution

The fourth proportional to 469,945.56, 648,525.38 and 255,085.59 is: 352,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,945.56 : 648,525.38 = 255,085.59 : x
  2. Step 2: Convert to fraction form
    469,945.56/648,525.38 = 255,085.59/x
  3. Step 3: Cross multiply
    469,945.56x = 648,525.38 × 255,085.59
  4. Step 4: Simplify right side
    469,945.56x = 165,429,477,911.85
  5. Step 5: Solve for x
    x = 165,429,477,911.85/469,945.56
  6. Step 6: Final answer
    x = 352,018.39

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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.