Home / 454,084.20-681,126.30-383,225.40

Finding the Fourth Proportional to 454,084.20, 681,126.30 and 383,225.40

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Solution

The fourth proportional to 454,084.20, 681,126.30 and 383,225.40 is: 574,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,084.20 : 681,126.30 = 383,225.40 : x
  2. Step 2: Convert to fraction form
    454,084.20/681,126.30 = 383,225.40/x
  3. Step 3: Cross multiply
    454,084.20x = 681,126.30 × 383,225.40
  4. Step 4: Simplify right side
    454,084.20x = 261,024,898,768.02
  5. Step 5: Solve for x
    x = 261,024,898,768.02/454,084.20
  6. Step 6: Final answer
    x = 574,838.10

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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.