Home / 1,215,525.80-1,823,288.70-837,612.20

Finding the Fourth Proportional to 1,215,525.80, 1,823,288.70 and 837,612.20

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Solution

The fourth proportional to 1,215,525.80, 1,823,288.70 and 837,612.20 is: 1,256,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,525.80 : 1,823,288.70 = 837,612.20 : x
  2. Step 2: Convert to fraction form
    1,215,525.80/1,823,288.70 = 837,612.20/x
  3. Step 3: Cross multiply
    1,215,525.80x = 1,823,288.70 × 837,612.20
  4. Step 4: Simplify right side
    1,215,525.80x = 1,527,208,859,242.14
  5. Step 5: Solve for x
    x = 1,527,208,859,242.14/1,215,525.80
  6. Step 6: Final answer
    x = 1,256,418.30

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Similar ratio
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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.