Home / 1,347,398.74-1,859,414.48-863,965.80

Finding the Fourth Proportional to 1,347,398.74, 1,859,414.48 and 863,965.80

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Solution

The fourth proportional to 1,347,398.74, 1,859,414.48 and 863,965.80 is: 1,192,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,398.74 : 1,859,414.48 = 863,965.80 : x
  2. Step 2: Convert to fraction form
    1,347,398.74/1,859,414.48 = 863,965.80/x
  3. Step 3: Cross multiply
    1,347,398.74x = 1,859,414.48 × 863,965.80
  4. Step 4: Simplify right side
    1,347,398.74x = 1,606,470,514,424.96
  5. Step 5: Solve for x
    x = 1,606,470,514,424.96/1,347,398.74
  6. Step 6: Final answer
    x = 1,192,275.51

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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.