Home / 1,286,454.32-1,775,415.96-713,679

Finding the Fourth Proportional to 1,286,454.32, 1,775,415.96 and 713,679

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Solution

The fourth proportional to 1,286,454.32, 1,775,415.96 and 713,679 is: 984,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,454.32 : 1,775,415.96 = 713,679 : x
  2. Step 2: Convert to fraction form
    1,286,454.32/1,775,415.96 = 713,679/x
  3. Step 3: Cross multiply
    1,286,454.32x = 1,775,415.96 × 713,679
  4. Step 4: Simplify right side
    1,286,454.32x = 1,267,077,086,916.84
  5. Step 5: Solve for x
    x = 1,267,077,086,916.84/1,286,454.32
  6. Step 6: Final answer
    x = 984,937.49

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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.