Home / 644,085.37-966,128.05-244,631.64

Finding the Fourth Proportional to 644,085.37, 966,128.05 and 244,631.64

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Solution

The fourth proportional to 644,085.37, 966,128.05 and 244,631.64 is: 366,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,085.37 : 966,128.05 = 244,631.64 : x
  2. Step 2: Convert to fraction form
    644,085.37/966,128.05 = 244,631.64/x
  3. Step 3: Cross multiply
    644,085.37x = 966,128.05 × 244,631.64
  4. Step 4: Simplify right side
    644,085.37x = 236,345,489,321.50
  5. Step 5: Solve for x
    x = 236,345,489,321.50/644,085.37
  6. Step 6: Final answer
    x = 366,947.46

Related Problems

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Half scale
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Double scale
Find fourth proportional to 644,086.37, 966,129.55 and 244,632.64
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.