Home / 783,414.27-1,080,713.70-511,641.18

Finding the Fourth Proportional to 783,414.27, 1,080,713.70 and 511,641.18

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Solution

The fourth proportional to 783,414.27, 1,080,713.70 and 511,641.18 is: 705,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,414.27 : 1,080,713.70 = 511,641.18 : x
  2. Step 2: Convert to fraction form
    783,414.27/1,080,713.70 = 511,641.18/x
  3. Step 3: Cross multiply
    783,414.27x = 1,080,713.70 × 511,641.18
  4. Step 4: Simplify right side
    783,414.27x = 552,937,632,710.17
  5. Step 5: Solve for x
    x = 552,937,632,710.17/783,414.27
  6. Step 6: Final answer
    x = 705,804.90

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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.