Home / 823,838.48-1,137,016.46-461,285.70

Finding the Fourth Proportional to 823,838.48, 1,137,016.46 and 461,285.70

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Solution

The fourth proportional to 823,838.48, 1,137,016.46 and 461,285.70 is: 636,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,838.48 : 1,137,016.46 = 461,285.70 : x
  2. Step 2: Convert to fraction form
    823,838.48/1,137,016.46 = 461,285.70/x
  3. Step 3: Cross multiply
    823,838.48x = 1,137,016.46 × 461,285.70
  4. Step 4: Simplify right side
    823,838.48x = 524,489,433,662.62
  5. Step 5: Solve for x
    x = 524,489,433,662.62/823,838.48
  6. Step 6: Final answer
    x = 636,641.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.