Home / 305,116.20-457,674.30-205,324.20

Finding the Fourth Proportional to 305,116.20, 457,674.30 and 205,324.20

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Solution

The fourth proportional to 305,116.20, 457,674.30 and 205,324.20 is: 307,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,116.20 : 457,674.30 = 205,324.20 : x
  2. Step 2: Convert to fraction form
    305,116.20/457,674.30 = 205,324.20/x
  3. Step 3: Cross multiply
    305,116.20x = 457,674.30 × 205,324.20
  4. Step 4: Simplify right side
    305,116.20x = 93,971,609,508.06
  5. Step 5: Solve for x
    x = 93,971,609,508.06/305,116.20
  6. Step 6: Final answer
    x = 307,986.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.