Home / 1,163,714.64-1,605,920.40-680,183.52

Finding the Fourth Proportional to 1,163,714.64, 1,605,920.40 and 680,183.52

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Solution

The fourth proportional to 1,163,714.64, 1,605,920.40 and 680,183.52 is: 938,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,714.64 : 1,605,920.40 = 680,183.52 : x
  2. Step 2: Convert to fraction form
    1,163,714.64/1,605,920.40 = 680,183.52/x
  3. Step 3: Cross multiply
    1,163,714.64x = 1,605,920.40 × 680,183.52
  4. Step 4: Simplify right side
    1,163,714.64x = 1,092,320,590,511.81
  5. Step 5: Solve for x
    x = 1,092,320,590,511.81/1,163,714.64
  6. Step 6: Final answer
    x = 938,649.87

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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.