Home / 1,083,591.51-1,496,361.45-811,186.46

Finding the Fourth Proportional to 1,083,591.51, 1,496,361.45 and 811,186.46

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Solution

The fourth proportional to 1,083,591.51, 1,496,361.45 and 811,186.46 is: 1,120,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,591.51 : 1,496,361.45 = 811,186.46 : x
  2. Step 2: Convert to fraction form
    1,083,591.51/1,496,361.45 = 811,186.46/x
  3. Step 3: Cross multiply
    1,083,591.51x = 1,496,361.45 × 811,186.46
  4. Step 4: Simplify right side
    1,083,591.51x = 1,213,828,152,531.57
  5. Step 5: Solve for x
    x = 1,213,828,152,531.57/1,083,591.51
  6. Step 6: Final answer
    x = 1,120,189.80

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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.