Home / 439,355.14-606,336.24-248,386.30

Finding the Fourth Proportional to 439,355.14, 606,336.24 and 248,386.30

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Solution

The fourth proportional to 439,355.14, 606,336.24 and 248,386.30 is: 342,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,355.14 : 606,336.24 = 248,386.30 : x
  2. Step 2: Convert to fraction form
    439,355.14/606,336.24 = 248,386.30/x
  3. Step 3: Cross multiply
    439,355.14x = 606,336.24 × 248,386.30
  4. Step 4: Simplify right side
    439,355.14x = 150,605,615,209.51
  5. Step 5: Solve for x
    x = 150,605,615,209.51/439,355.14
  6. Step 6: Final answer
    x = 342,787.88

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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.