Home / 923,509.95-1,385,403.44-324,365.51

Finding the Fourth Proportional to 923,509.95, 1,385,403.44 and 324,365.51

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Solution

The fourth proportional to 923,509.95, 1,385,403.44 and 324,365.51 is: 486,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,509.95 : 1,385,403.44 = 324,365.51 : x
  2. Step 2: Convert to fraction form
    923,509.95/1,385,403.44 = 324,365.51/x
  3. Step 3: Cross multiply
    923,509.95x = 1,385,403.44 × 324,365.51
  4. Step 4: Simplify right side
    923,509.95x = 449,377,084,822.51
  5. Step 5: Solve for x
    x = 449,377,084,822.51/923,509.95
  6. Step 6: Final answer
    x = 486,596.91

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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.