Home / 1,238,081.58-1,857,537.81-479,947.77

Finding the Fourth Proportional to 1,238,081.58, 1,857,537.81 and 479,947.77

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Solution

The fourth proportional to 1,238,081.58, 1,857,537.81 and 479,947.77 is: 720,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,081.58 : 1,857,537.81 = 479,947.77 : x
  2. Step 2: Convert to fraction form
    1,238,081.58/1,857,537.81 = 479,947.77/x
  3. Step 3: Cross multiply
    1,238,081.58x = 1,857,537.81 × 479,947.77
  4. Step 4: Simplify right side
    1,238,081.58x = 891,521,129,600.18
  5. Step 5: Solve for x
    x = 891,521,129,600.18/1,238,081.58
  6. Step 6: Final answer
    x = 720,082.70

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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.