Home / 1,236,700.45-1,853,970.67-479,058.85

Finding the Fourth Proportional to 1,236,700.45, 1,853,970.67 and 479,058.85

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Solution

The fourth proportional to 1,236,700.45, 1,853,970.67 and 479,058.85 is: 718,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,700.45 : 1,853,970.67 = 479,058.85 : x
  2. Step 2: Convert to fraction form
    1,236,700.45/1,853,970.67 = 479,058.85/x
  3. Step 3: Cross multiply
    1,236,700.45x = 1,853,970.67 × 479,058.85
  4. Step 4: Simplify right side
    1,236,700.45x = 888,161,057,103.93
  5. Step 5: Solve for x
    x = 888,161,057,103.93/1,236,700.45
  6. Step 6: Final answer
    x = 718,169.92

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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.