Home / 859,664.55-1,289,496.83-461,083.80

Finding the Fourth Proportional to 859,664.55, 1,289,496.83 and 461,083.80

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Solution

The fourth proportional to 859,664.55, 1,289,496.83 and 461,083.80 is: 691,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,664.55 : 1,289,496.83 = 461,083.80 : x
  2. Step 2: Convert to fraction form
    859,664.55/1,289,496.83 = 461,083.80/x
  3. Step 3: Cross multiply
    859,664.55x = 1,289,496.83 × 461,083.80
  4. Step 4: Simplify right side
    859,664.55x = 594,566,096,158.94
  5. Step 5: Solve for x
    x = 594,566,096,158.94/859,664.55
  6. Step 6: Final answer
    x = 691,625.70

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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.