Home / 397,460.69-548,638.42-236,315.35

Finding the Fourth Proportional to 397,460.69, 548,638.42 and 236,315.35

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Solution

The fourth proportional to 397,460.69, 548,638.42 and 236,315.35 is: 326,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,460.69 : 548,638.42 = 236,315.35 : x
  2. Step 2: Convert to fraction form
    397,460.69/548,638.42 = 236,315.35/x
  3. Step 3: Cross multiply
    397,460.69x = 548,638.42 × 236,315.35
  4. Step 4: Simplify right side
    397,460.69x = 129,651,678,576.17
  5. Step 5: Solve for x
    x = 129,651,678,576.17/397,460.69
  6. Step 6: Final answer
    x = 326,200.01

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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.