Home / 1,439,261.97-1,985,348.89-929,964.35

Finding the Fourth Proportional to 1,439,261.97, 1,985,348.89 and 929,964.35

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Solution

The fourth proportional to 1,439,261.97, 1,985,348.89 and 929,964.35 is: 1,282,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,261.97 : 1,985,348.89 = 929,964.35 : x
  2. Step 2: Convert to fraction form
    1,439,261.97/1,985,348.89 = 929,964.35/x
  3. Step 3: Cross multiply
    1,439,261.97x = 1,985,348.89 × 929,964.35
  4. Step 4: Simplify right side
    1,439,261.97x = 1,846,303,682,410.24
  5. Step 5: Solve for x
    x = 1,846,303,682,410.24/1,439,261.97
  6. Step 6: Final answer
    x = 1,282,812.80

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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.