Home / 1,145,521.92-1,580,797.44-636,206.88

Finding the Fourth Proportional to 1,145,521.92, 1,580,797.44 and 636,206.88

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Solution

The fourth proportional to 1,145,521.92, 1,580,797.44 and 636,206.88 is: 877,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,521.92 : 1,580,797.44 = 636,206.88 : x
  2. Step 2: Convert to fraction form
    1,145,521.92/1,580,797.44 = 636,206.88/x
  3. Step 3: Cross multiply
    1,145,521.92x = 1,580,797.44 × 636,206.88
  4. Step 4: Simplify right side
    1,145,521.92x = 1,005,714,207,214.39
  5. Step 5: Solve for x
    x = 1,005,714,207,214.39/1,145,521.92
  6. Step 6: Final answer
    x = 877,952.83

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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.