Home / 644,626.76-966,940.14-245,175.26

Finding the Fourth Proportional to 644,626.76, 966,940.14 and 245,175.26

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Solution

The fourth proportional to 644,626.76, 966,940.14 and 245,175.26 is: 367,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,626.76 : 966,940.14 = 245,175.26 : x
  2. Step 2: Convert to fraction form
    644,626.76/966,940.14 = 245,175.26/x
  3. Step 3: Cross multiply
    644,626.76x = 966,940.14 × 245,175.26
  4. Step 4: Simplify right side
    644,626.76x = 237,069,800,228.94
  5. Step 5: Solve for x
    x = 237,069,800,228.94/644,626.76
  6. Step 6: Final answer
    x = 367,762.89

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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.