Home / 923,856.30-1,385,784.45-545,942.70

Finding the Fourth Proportional to 923,856.30, 1,385,784.45 and 545,942.70

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Solution

The fourth proportional to 923,856.30, 1,385,784.45 and 545,942.70 is: 818,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,856.30 : 1,385,784.45 = 545,942.70 : x
  2. Step 2: Convert to fraction form
    923,856.30/1,385,784.45 = 545,942.70/x
  3. Step 3: Cross multiply
    923,856.30x = 1,385,784.45 × 545,942.70
  4. Step 4: Simplify right side
    923,856.30x = 756,558,904,251.02
  5. Step 5: Solve for x
    x = 756,558,904,251.02/923,856.30
  6. Step 6: Final answer
    x = 818,914.05

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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.