Home / 454,605.15-682,138.05-302,905.92

Finding the Fourth Proportional to 454,605.15, 682,138.05 and 302,905.92

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Solution

The fourth proportional to 454,605.15, 682,138.05 and 302,905.92 is: 454,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,605.15 : 682,138.05 = 302,905.92 : x
  2. Step 2: Convert to fraction form
    454,605.15/682,138.05 = 302,905.92/x
  3. Step 3: Cross multiply
    454,605.15x = 682,138.05 × 302,905.92
  4. Step 4: Simplify right side
    454,605.15x = 206,623,653,602.26
  5. Step 5: Solve for x
    x = 206,623,653,602.26/454,605.15
  6. Step 6: Final answer
    x = 454,512.35

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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.