Home / 1,257,470.47-1,735,309.45-684,514.94

Finding the Fourth Proportional to 1,257,470.47, 1,735,309.45 and 684,514.94

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Solution

The fourth proportional to 1,257,470.47, 1,735,309.45 and 684,514.94 is: 944,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,470.47 : 1,735,309.45 = 684,514.94 : x
  2. Step 2: Convert to fraction form
    1,257,470.47/1,735,309.45 = 684,514.94/x
  3. Step 3: Cross multiply
    1,257,470.47x = 1,735,309.45 × 684,514.94
  4. Step 4: Simplify right side
    1,257,470.47x = 1,187,845,244,048.18
  5. Step 5: Solve for x
    x = 1,187,845,244,048.18/1,257,470.47
  6. Step 6: Final answer
    x = 944,630.73

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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.