Home / 1,439,263.47-1,985,350.96-929,965.85

Finding the Fourth Proportional to 1,439,263.47, 1,985,350.96 and 929,965.85

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Solution

The fourth proportional to 1,439,263.47, 1,985,350.96 and 929,965.85 is: 1,282,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,263.47 : 1,985,350.96 = 929,965.85 : x
  2. Step 2: Convert to fraction form
    1,439,263.47/1,985,350.96 = 929,965.85/x
  3. Step 3: Cross multiply
    1,439,263.47x = 1,985,350.96 × 929,965.85
  4. Step 4: Simplify right side
    1,439,263.47x = 1,846,308,593,064.72
  5. Step 5: Solve for x
    x = 1,846,308,593,064.72/1,439,263.47
  6. Step 6: Final answer
    x = 1,282,814.88

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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.