Home / 644,136.30-966,204.45-364,200.30

Finding the Fourth Proportional to 644,136.30, 966,204.45 and 364,200.30

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Solution

The fourth proportional to 644,136.30, 966,204.45 and 364,200.30 is: 546,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,136.30 : 966,204.45 = 364,200.30 : x
  2. Step 2: Convert to fraction form
    644,136.30/966,204.45 = 364,200.30/x
  3. Step 3: Cross multiply
    644,136.30x = 966,204.45 × 364,200.30
  4. Step 4: Simplify right side
    644,136.30x = 351,891,950,551.34
  5. Step 5: Solve for x
    x = 351,891,950,551.34/644,136.30
  6. Step 6: Final answer
    x = 546,300.45

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Half scale
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Double scale
Find fourth proportional to 644,137.30, 966,205.95 and 364,201.30
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.