Home / 885,658.20-1,328,616.90-464,965.80

Finding the Fourth Proportional to 885,658.20, 1,328,616.90 and 464,965.80

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Solution

The fourth proportional to 885,658.20, 1,328,616.90 and 464,965.80 is: 697,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,658.20 : 1,328,616.90 = 464,965.80 : x
  2. Step 2: Convert to fraction form
    885,658.20/1,328,616.90 = 464,965.80/x
  3. Step 3: Cross multiply
    885,658.20x = 1,328,616.90 × 464,965.80
  4. Step 4: Simplify right side
    885,658.20x = 617,761,419,802.02
  5. Step 5: Solve for x
    x = 617,761,419,802.02/885,658.20
  6. Step 6: Final answer
    x = 697,516.74

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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.