Home / 714,265.00-1,071,385.73-287,790.44

Finding the Fourth Proportional to 714,265.00, 1,071,385.73 and 287,790.44

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Solution

The fourth proportional to 714,265.00, 1,071,385.73 and 287,790.44 is: 431,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,265.00 : 1,071,385.73 = 287,790.44 : x
  2. Step 2: Convert to fraction form
    714,265.00/1,071,385.73 = 287,790.44/x
  3. Step 3: Cross multiply
    714,265.00x = 1,071,385.73 × 287,790.44
  4. Step 4: Simplify right side
    714,265.00x = 308,334,566,548.58
  5. Step 5: Solve for x
    x = 308,334,566,548.58/714,265.00
  6. Step 6: Final answer
    x = 431,680.91

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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.