Home / 1,381,796.88-2,072,695.34-539,758.12

Finding the Fourth Proportional to 1,381,796.88, 2,072,695.34 and 539,758.12

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Solution

The fourth proportional to 1,381,796.88, 2,072,695.34 and 539,758.12 is: 809,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,796.88 : 2,072,695.34 = 539,758.12 : x
  2. Step 2: Convert to fraction form
    1,381,796.88/2,072,695.34 = 539,758.12/x
  3. Step 3: Cross multiply
    1,381,796.88x = 2,072,695.34 × 539,758.12
  4. Step 4: Simplify right side
    1,381,796.88x = 1,118,754,140,051.16
  5. Step 5: Solve for x
    x = 1,118,754,140,051.16/1,381,796.88
  6. Step 6: Final answer
    x = 809,637.19

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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.