Home / 644,836.10-967,263.44-245,498.78

Finding the Fourth Proportional to 644,836.10, 967,263.44 and 245,498.78

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Solution

The fourth proportional to 644,836.10, 967,263.44 and 245,498.78 is: 368,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,836.10 : 967,263.44 = 245,498.78 : x
  2. Step 2: Convert to fraction form
    644,836.10/967,263.44 = 245,498.78/x
  3. Step 3: Cross multiply
    644,836.10x = 967,263.44 × 245,498.78
  4. Step 4: Simplify right side
    644,836.10x = 237,461,995,649.27
  5. Step 5: Solve for x
    x = 237,461,995,649.27/644,836.10
  6. Step 6: Final answer
    x = 368,251.71

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Double scale
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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.