Home / 696,329.53-1,044,789.64-380,417.38

Finding the Fourth Proportional to 696,329.53, 1,044,789.64 and 380,417.38

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Solution

The fourth proportional to 696,329.53, 1,044,789.64 and 380,417.38 is: 570,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,329.53 : 1,044,789.64 = 380,417.38 : x
  2. Step 2: Convert to fraction form
    696,329.53/1,044,789.64 = 380,417.38/x
  3. Step 3: Cross multiply
    696,329.53x = 1,044,789.64 × 380,417.38
  4. Step 4: Simplify right side
    696,329.53x = 397,456,133,936.93
  5. Step 5: Solve for x
    x = 397,456,133,936.93/696,329.53
  6. Step 6: Final answer
    x = 570,787.42

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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.