Home / 923,933.96-1,385,660.36-391,180.76

Finding the Fourth Proportional to 923,933.96, 1,385,660.36 and 391,180.76

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Solution

The fourth proportional to 923,933.96, 1,385,660.36 and 391,180.76 is: 586,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,933.96 : 1,385,660.36 = 391,180.76 : x
  2. Step 2: Convert to fraction form
    923,933.96/1,385,660.36 = 391,180.76/x
  3. Step 3: Cross multiply
    923,933.96x = 1,385,660.36 × 391,180.76
  4. Step 4: Simplify right side
    923,933.96x = 542,043,672,726.67
  5. Step 5: Solve for x
    x = 542,043,672,726.67/923,933.96
  6. Step 6: Final answer
    x = 586,669.28

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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.