Home / 439,354.14-606,334.86-248,385.30

Finding the Fourth Proportional to 439,354.14, 606,334.86 and 248,385.30

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Solution

The fourth proportional to 439,354.14, 606,334.86 and 248,385.30 is: 342,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,354.14 : 606,334.86 = 248,385.30 : x
  2. Step 2: Convert to fraction form
    439,354.14/606,334.86 = 248,385.30/x
  3. Step 3: Cross multiply
    439,354.14x = 606,334.86 × 248,385.30
  4. Step 4: Simplify right side
    439,354.14x = 150,604,666,101.56
  5. Step 5: Solve for x
    x = 150,604,666,101.56/439,354.14
  6. Step 6: Final answer
    x = 342,786.50

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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.