Home / 713,999.18-1,071,278.83-314,359.63

Finding the Fourth Proportional to 713,999.18, 1,071,278.83 and 314,359.63

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Solution

The fourth proportional to 713,999.18, 1,071,278.83 and 314,359.63 is: 471,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,999.18 : 1,071,278.83 = 314,359.63 : x
  2. Step 2: Convert to fraction form
    713,999.18/1,071,278.83 = 314,359.63/x
  3. Step 3: Cross multiply
    713,999.18x = 1,071,278.83 × 314,359.63
  4. Step 4: Simplify right side
    713,999.18x = 336,766,816,625.63
  5. Step 5: Solve for x
    x = 336,766,816,625.63/713,999.18
  6. Step 6: Final answer
    x = 471,662.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.