Home / 923,509.58-1,385,402.87-324,365.13

Finding the Fourth Proportional to 923,509.58, 1,385,402.87 and 324,365.13

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Solution

The fourth proportional to 923,509.58, 1,385,402.87 and 324,365.13 is: 486,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,509.58 : 1,385,402.87 = 324,365.13 : x
  2. Step 2: Convert to fraction form
    923,509.58/1,385,402.87 = 324,365.13/x
  3. Step 3: Cross multiply
    923,509.58x = 1,385,402.87 × 324,365.13
  4. Step 4: Simplify right side
    923,509.58x = 449,376,382,840.84
  5. Step 5: Solve for x
    x = 449,376,382,840.84/923,509.58
  6. Step 6: Final answer
    x = 486,596.34

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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.