Home / 923,243.60-1,384,865.40-324,005.60

Finding the Fourth Proportional to 923,243.60, 1,384,865.40 and 324,005.60

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Solution

The fourth proportional to 923,243.60, 1,384,865.40 and 324,005.60 is: 486,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,243.60 : 1,384,865.40 = 324,005.60 : x
  2. Step 2: Convert to fraction form
    923,243.60/1,384,865.40 = 324,005.60/x
  3. Step 3: Cross multiply
    923,243.60x = 1,384,865.40 × 324,005.60
  4. Step 4: Simplify right side
    923,243.60x = 448,704,144,846.24
  5. Step 5: Solve for x
    x = 448,704,144,846.24/923,243.60
  6. Step 6: Final answer
    x = 486,008.40

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Half scale
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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.