Home / 823,640.92-1,136,624.94-461,065.48

Finding the Fourth Proportional to 823,640.92, 1,136,624.94 and 461,065.48

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Solution

The fourth proportional to 823,640.92, 1,136,624.94 and 461,065.48 is: 636,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,640.92 : 1,136,624.94 = 461,065.48 : x
  2. Step 2: Convert to fraction form
    823,640.92/1,136,624.94 = 461,065.48/x
  3. Step 3: Cross multiply
    823,640.92x = 1,136,624.94 × 461,065.48
  4. Step 4: Simplify right side
    823,640.92x = 524,058,520,699.51
  5. Step 5: Solve for x
    x = 524,058,520,699.51/823,640.92
  6. Step 6: Final answer
    x = 636,270.62

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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.