Home / 621,228.15-931,842.23-550,369.35

Finding the Fourth Proportional to 621,228.15, 931,842.23 and 550,369.35

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Solution

The fourth proportional to 621,228.15, 931,842.23 and 550,369.35 is: 825,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,228.15 : 931,842.23 = 550,369.35 : x
  2. Step 2: Convert to fraction form
    621,228.15/931,842.23 = 550,369.35/x
  3. Step 3: Cross multiply
    621,228.15x = 931,842.23 × 550,369.35
  4. Step 4: Simplify right side
    621,228.15x = 512,857,399,675.80
  5. Step 5: Solve for x
    x = 512,857,399,675.80/621,228.15
  6. Step 6: Final answer
    x = 825,554.03

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Similar ratio
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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.