Home / 1,236,631.52-1,855,123.41-383,776.85

Finding the Fourth Proportional to 1,236,631.52, 1,855,123.41 and 383,776.85

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Solution

The fourth proportional to 1,236,631.52, 1,855,123.41 and 383,776.85 is: 575,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,631.52 : 1,855,123.41 = 383,776.85 : x
  2. Step 2: Convert to fraction form
    1,236,631.52/1,855,123.41 = 383,776.85/x
  3. Step 3: Cross multiply
    1,236,631.52x = 1,855,123.41 × 383,776.85
  4. Step 4: Simplify right side
    1,236,631.52x = 711,953,418,651.06
  5. Step 5: Solve for x
    x = 711,953,418,651.06/1,236,631.52
  6. Step 6: Final answer
    x = 575,719.94

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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.