Home / 454,584.50-683,371.60-421,701.53

Finding the Fourth Proportional to 454,584.50, 683,371.60 and 421,701.53

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Solution

The fourth proportional to 454,584.50, 683,371.60 and 421,701.53 is: 633,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,584.50 : 683,371.60 = 421,701.53 : x
  2. Step 2: Convert to fraction form
    454,584.50/683,371.60 = 421,701.53/x
  3. Step 3: Cross multiply
    454,584.50x = 683,371.60 × 421,701.53
  4. Step 4: Simplify right side
    454,584.50x = 288,178,849,932.72
  5. Step 5: Solve for x
    x = 288,178,849,932.72/454,584.50
  6. Step 6: Final answer
    x = 633,939.02

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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.