Home / 451,948.85-623,981.58-280,049.23

Finding the Fourth Proportional to 451,948.85, 623,981.58 and 280,049.23

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Solution

The fourth proportional to 451,948.85, 623,981.58 and 280,049.23 is: 386,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,948.85 : 623,981.58 = 280,049.23 : x
  2. Step 2: Convert to fraction form
    451,948.85/623,981.58 = 280,049.23/x
  3. Step 3: Cross multiply
    451,948.85x = 623,981.58 × 280,049.23
  4. Step 4: Simplify right side
    451,948.85x = 174,745,561,013.18
  5. Step 5: Solve for x
    x = 174,745,561,013.18/451,948.85
  6. Step 6: Final answer
    x = 386,648.98

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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.