Home / 893,039.80-1,232,373.42-511,042.12

Finding the Fourth Proportional to 893,039.80, 1,232,373.42 and 511,042.12

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Solution

The fourth proportional to 893,039.80, 1,232,373.42 and 511,042.12 is: 705,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,039.80 : 1,232,373.42 = 511,042.12 : x
  2. Step 2: Convert to fraction form
    893,039.80/1,232,373.42 = 511,042.12/x
  3. Step 3: Cross multiply
    893,039.80x = 1,232,373.42 × 511,042.12
  4. Step 4: Simplify right side
    893,039.80x = 629,794,725,188.45
  5. Step 5: Solve for x
    x = 629,794,725,188.45/893,039.80
  6. Step 6: Final answer
    x = 705,225.82

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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.