Home / 1,369,439.94-2,053,758.39-515,895.76

Finding the Fourth Proportional to 1,369,439.94, 2,053,758.39 and 515,895.76

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Solution

The fourth proportional to 1,369,439.94, 2,053,758.39 and 515,895.76 is: 773,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,439.94 : 2,053,758.39 = 515,895.76 : x
  2. Step 2: Convert to fraction form
    1,369,439.94/2,053,758.39 = 515,895.76/x
  3. Step 3: Cross multiply
    1,369,439.94x = 2,053,758.39 × 515,895.76
  4. Step 4: Simplify right side
    1,369,439.94x = 1,059,525,243,223.73
  5. Step 5: Solve for x
    x = 1,059,525,243,223.73/1,369,439.94
  6. Step 6: Final answer
    x = 773,692.38

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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.