Home / 923,912.40-1,385,999.82-284,269.11

Finding the Fourth Proportional to 923,912.40, 1,385,999.82 and 284,269.11

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Solution

The fourth proportional to 923,912.40, 1,385,999.82 and 284,269.11 is: 426,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,912.40 : 1,385,999.82 = 284,269.11 : x
  2. Step 2: Convert to fraction form
    923,912.40/1,385,999.82 = 284,269.11/x
  3. Step 3: Cross multiply
    923,912.40x = 1,385,999.82 × 284,269.11
  4. Step 4: Simplify right side
    923,912.40x = 393,996,935,291.56
  5. Step 5: Solve for x
    x = 393,996,935,291.56/923,912.40
  6. Step 6: Final answer
    x = 426,444.04

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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.