Home / 738,031.88-1,107,048.90-205,554.44

Finding the Fourth Proportional to 738,031.88, 1,107,048.90 and 205,554.44

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Solution

The fourth proportional to 738,031.88, 1,107,048.90 and 205,554.44 is: 308,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,031.88 : 1,107,048.90 = 205,554.44 : x
  2. Step 2: Convert to fraction form
    738,031.88/1,107,048.90 = 205,554.44/x
  3. Step 3: Cross multiply
    738,031.88x = 1,107,048.90 × 205,554.44
  4. Step 4: Simplify right side
    738,031.88x = 227,558,816,692.12
  5. Step 5: Solve for x
    x = 227,558,816,692.12/738,031.88
  6. Step 6: Final answer
    x = 308,331.96

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Double scale
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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.