Home / 695,977.20-1,043,965.80-556,009.20

Finding the Fourth Proportional to 695,977.20, 1,043,965.80 and 556,009.20

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Solution

The fourth proportional to 695,977.20, 1,043,965.80 and 556,009.20 is: 834,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,977.20 : 1,043,965.80 = 556,009.20 : x
  2. Step 2: Convert to fraction form
    695,977.20/1,043,965.80 = 556,009.20/x
  3. Step 3: Cross multiply
    695,977.20x = 1,043,965.80 × 556,009.20
  4. Step 4: Simplify right side
    695,977.20x = 580,454,589,285.36
  5. Step 5: Solve for x
    x = 580,454,589,285.36/695,977.20
  6. Step 6: Final answer
    x = 834,013.80

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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.