Home / 1,293,864.80-1,940,797.20-662,568.80

Finding the Fourth Proportional to 1,293,864.80, 1,940,797.20 and 662,568.80

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Solution

The fourth proportional to 1,293,864.80, 1,940,797.20 and 662,568.80 is: 993,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,864.80 : 1,940,797.20 = 662,568.80 : x
  2. Step 2: Convert to fraction form
    1,293,864.80/1,940,797.20 = 662,568.80/x
  3. Step 3: Cross multiply
    1,293,864.80x = 1,940,797.20 × 662,568.80
  4. Step 4: Simplify right side
    1,293,864.80x = 1,285,911,671,847.36
  5. Step 5: Solve for x
    x = 1,285,911,671,847.36/1,293,864.80
  6. Step 6: Final answer
    x = 993,853.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.