Home / 1,257,470.45-1,735,309.42-684,514.91

Finding the Fourth Proportional to 1,257,470.45, 1,735,309.42 and 684,514.91

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Solution

The fourth proportional to 1,257,470.45, 1,735,309.42 and 684,514.91 is: 944,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,470.45 : 1,735,309.42 = 684,514.91 : x
  2. Step 2: Convert to fraction form
    1,257,470.45/1,735,309.42 = 684,514.91/x
  3. Step 3: Cross multiply
    1,257,470.45x = 1,735,309.42 × 684,514.91
  4. Step 4: Simplify right side
    1,257,470.45x = 1,187,845,162,776.91
  5. Step 5: Solve for x
    x = 1,187,845,162,776.91/1,257,470.45
  6. Step 6: Final answer
    x = 944,630.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.