Home / 823,681.28-1,136,671.46-461,108.12

Finding the Fourth Proportional to 823,681.28, 1,136,671.46 and 461,108.12

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Solution

The fourth proportional to 823,681.28, 1,136,671.46 and 461,108.12 is: 636,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,681.28 : 1,136,671.46 = 461,108.12 : x
  2. Step 2: Convert to fraction form
    823,681.28/1,136,671.46 = 461,108.12/x
  3. Step 3: Cross multiply
    823,681.28x = 1,136,671.46 × 461,108.12
  4. Step 4: Simplify right side
    823,681.28x = 524,128,439,978.26
  5. Step 5: Solve for x
    x = 524,128,439,978.26/823,681.28
  6. Step 6: Final answer
    x = 636,324.33

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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.