Home / 1,069,051.80-1,474,109.29-681,252.91

Finding the Fourth Proportional to 1,069,051.80, 1,474,109.29 and 681,252.91

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Solution

The fourth proportional to 1,069,051.80, 1,474,109.29 and 681,252.91 is: 939,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,051.80 : 1,474,109.29 = 681,252.91 : x
  2. Step 2: Convert to fraction form
    1,069,051.80/1,474,109.29 = 681,252.91/x
  3. Step 3: Cross multiply
    1,069,051.80x = 1,474,109.29 × 681,252.91
  4. Step 4: Simplify right side
    1,069,051.80x = 1,004,241,243,470.53
  5. Step 5: Solve for x
    x = 1,004,241,243,470.53/1,069,051.80
  6. Step 6: Final answer
    x = 939,375.66

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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.