Home / 1,069,037.80-1,474,090.04-681,238.96

Finding the Fourth Proportional to 1,069,037.80, 1,474,090.04 and 681,238.96

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Solution

The fourth proportional to 1,069,037.80, 1,474,090.04 and 681,238.96 is: 939,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,037.80 : 1,474,090.04 = 681,238.96 : x
  2. Step 2: Convert to fraction form
    1,069,037.80/1,474,090.04 = 681,238.96/x
  3. Step 3: Cross multiply
    1,069,037.80x = 1,474,090.04 × 681,238.96
  4. Step 4: Simplify right side
    1,069,037.80x = 1,004,207,563,813.83
  5. Step 5: Solve for x
    x = 1,004,207,563,813.83/1,069,037.80
  6. Step 6: Final answer
    x = 939,356.46

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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.