Home / 829,651.05-1,145,027.63-467,145.55

Finding the Fourth Proportional to 829,651.05, 1,145,027.63 and 467,145.55

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Solution

The fourth proportional to 829,651.05, 1,145,027.63 and 467,145.55 is: 644,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,651.05 : 1,145,027.63 = 467,145.55 : x
  2. Step 2: Convert to fraction form
    829,651.05/1,145,027.63 = 467,145.55/x
  3. Step 3: Cross multiply
    829,651.05x = 1,145,027.63 × 467,145.55
  4. Step 4: Simplify right side
    829,651.05x = 534,894,559,898.30
  5. Step 5: Solve for x
    x = 534,894,559,898.30/829,651.05
  6. Step 6: Final answer
    x = 644,722.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.