Home / 541,816.40-812,821.80-226,305.20

Finding the Fourth Proportional to 541,816.40, 812,821.80 and 226,305.20

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Solution

The fourth proportional to 541,816.40, 812,821.80 and 226,305.20 is: 339,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,816.40 : 812,821.80 = 226,305.20 : x
  2. Step 2: Convert to fraction form
    541,816.40/812,821.80 = 226,305.20/x
  3. Step 3: Cross multiply
    541,816.40x = 812,821.80 × 226,305.20
  4. Step 4: Simplify right side
    541,816.40x = 183,945,800,013.36
  5. Step 5: Solve for x
    x = 183,945,800,013.36/541,816.40
  6. Step 6: Final answer
    x = 339,498.40

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1.5x scale

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.