Home / 440,815.90-608,392.43-268,833.64

Finding the Fourth Proportional to 440,815.90, 608,392.43 and 268,833.64

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Solution

The fourth proportional to 440,815.90, 608,392.43 and 268,833.64 is: 371,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,815.90 : 608,392.43 = 268,833.64 : x
  2. Step 2: Convert to fraction form
    440,815.90/608,392.43 = 268,833.64/x
  3. Step 3: Cross multiply
    440,815.90x = 608,392.43 × 268,833.64
  4. Step 4: Simplify right side
    440,815.90x = 163,556,347,119.22
  5. Step 5: Solve for x
    x = 163,556,347,119.22/440,815.90
  6. Step 6: Final answer
    x = 371,030.97

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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.