Home / 324,968.19-448,518.09-217,725.20

Finding the Fourth Proportional to 324,968.19, 448,518.09 and 217,725.20

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Solution

The fourth proportional to 324,968.19, 448,518.09 and 217,725.20 is: 300,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,968.19 : 448,518.09 = 217,725.20 : x
  2. Step 2: Convert to fraction form
    324,968.19/448,518.09 = 217,725.20/x
  3. Step 3: Cross multiply
    324,968.19x = 448,518.09 × 217,725.20
  4. Step 4: Simplify right side
    324,968.19x = 97,653,688,606.28
  5. Step 5: Solve for x
    x = 97,653,688,606.28/324,968.19
  6. Step 6: Final answer
    x = 300,502.30

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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.