Home / 823,840.12-1,136,838.54-461,180.44

Finding the Fourth Proportional to 823,840.12, 1,136,838.54 and 461,180.44

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Solution

The fourth proportional to 823,840.12, 1,136,838.54 and 461,180.44 is: 636,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,840.12 : 1,136,838.54 = 461,180.44 : x
  2. Step 2: Convert to fraction form
    823,840.12/1,136,838.54 = 461,180.44/x
  3. Step 3: Cross multiply
    823,840.12x = 1,136,838.54 × 461,180.44
  4. Step 4: Simplify right side
    823,840.12x = 524,287,698,086.16
  5. Step 5: Solve for x
    x = 524,287,698,086.16/823,840.12
  6. Step 6: Final answer
    x = 636,394.96

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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.