Home / 644,914.20-966,680.10-245,400.60

Finding the Fourth Proportional to 644,914.20, 966,680.10 and 245,400.60

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Solution

The fourth proportional to 644,914.20, 966,680.10 and 245,400.60 is: 367,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,914.20 : 966,680.10 = 245,400.60 : x
  2. Step 2: Convert to fraction form
    644,914.20/966,680.10 = 245,400.60/x
  3. Step 3: Cross multiply
    644,914.20x = 966,680.10 × 245,400.60
  4. Step 4: Simplify right side
    644,914.20x = 237,223,876,548.06
  5. Step 5: Solve for x
    x = 237,223,876,548.06/644,914.20
  6. Step 6: Final answer
    x = 367,837.89

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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.