Home / 923,111.64-1,385,285.97-324,074.57

Finding the Fourth Proportional to 923,111.64, 1,385,285.97 and 324,074.57

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Solution

The fourth proportional to 923,111.64, 1,385,285.97 and 324,074.57 is: 486,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,111.64 : 1,385,285.97 = 324,074.57 : x
  2. Step 2: Convert to fraction form
    923,111.64/1,385,285.97 = 324,074.57/x
  3. Step 3: Cross multiply
    923,111.64x = 1,385,285.97 × 324,074.57
  4. Step 4: Simplify right side
    923,111.64x = 448,935,948,128.35
  5. Step 5: Solve for x
    x = 448,935,948,128.35/923,111.64
  6. Step 6: Final answer
    x = 486,328.99

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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.