Home / 664,823.58-996,885.45-454,521.66

Finding the Fourth Proportional to 664,823.58, 996,885.45 and 454,521.66

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Solution

The fourth proportional to 664,823.58, 996,885.45 and 454,521.66 is: 681,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,823.58 : 996,885.45 = 454,521.66 : x
  2. Step 2: Convert to fraction form
    664,823.58/996,885.45 = 454,521.66/x
  3. Step 3: Cross multiply
    664,823.58x = 996,885.45 × 454,521.66
  4. Step 4: Simplify right side
    664,823.58x = 453,106,029,563.85
  5. Step 5: Solve for x
    x = 453,106,029,563.85/664,823.58
  6. Step 6: Final answer
    x = 681,543.26

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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.