Home / 1,240,977-1,712,361.72-697,008.58

Finding the Fourth Proportional to 1,240,977, 1,712,361.72 and 697,008.58

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Solution

The fourth proportional to 1,240,977, 1,712,361.72 and 697,008.58 is: 961,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,977 : 1,712,361.72 = 697,008.58 : x
  2. Step 2: Convert to fraction form
    1,240,977/1,712,361.72 = 697,008.58/x
  3. Step 3: Cross multiply
    1,240,977x = 1,712,361.72 × 697,008.58
  4. Step 4: Simplify right side
    1,240,977x = 1,193,530,810,903.56
  5. Step 5: Solve for x
    x = 1,193,530,810,903.56/1,240,977
  6. Step 6: Final answer
    x = 961,767.07

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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.