Home / 644,490.99-966,736.89-245,039.49

Finding the Fourth Proportional to 644,490.99, 966,736.89 and 245,039.49

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Solution

The fourth proportional to 644,490.99, 966,736.89 and 245,039.49 is: 367,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,490.99 : 966,736.89 = 245,039.49 : x
  2. Step 2: Convert to fraction form
    644,490.99/966,736.89 = 245,039.49/x
  3. Step 3: Cross multiply
    644,490.99x = 966,736.89 × 245,039.49
  4. Step 4: Simplify right side
    644,490.99x = 236,888,714,489.79
  5. Step 5: Solve for x
    x = 236,888,714,489.79/644,490.99
  6. Step 6: Final answer
    x = 367,559.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 644,491.99, 966,738.39 and 245,040.49
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.