Home / 439,241.52-606,218.31-278,111.52

Finding the Fourth Proportional to 439,241.52, 606,218.31 and 278,111.52

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Solution

The fourth proportional to 439,241.52, 606,218.31 and 278,111.52 is: 383,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,241.52 : 606,218.31 = 278,111.52 : x
  2. Step 2: Convert to fraction form
    439,241.52/606,218.31 = 278,111.52/x
  3. Step 3: Cross multiply
    439,241.52x = 606,218.31 × 278,111.52
  4. Step 4: Simplify right side
    439,241.52x = 168,596,295,645.93
  5. Step 5: Solve for x
    x = 168,596,295,645.93/439,241.52
  6. Step 6: Final answer
    x = 383,835.06

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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.