Home / 1,019,508.64-1,529,574-521,222.56

Finding the Fourth Proportional to 1,019,508.64, 1,529,574 and 521,222.56

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Solution

The fourth proportional to 1,019,508.64, 1,529,574 and 521,222.56 is: 781,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,508.64 : 1,529,574 = 521,222.56 : x
  2. Step 2: Convert to fraction form
    1,019,508.64/1,529,574 = 521,222.56/x
  3. Step 3: Cross multiply
    1,019,508.64x = 1,529,574 × 521,222.56
  4. Step 4: Simplify right side
    1,019,508.64x = 797,248,475,989.44
  5. Step 5: Solve for x
    x = 797,248,475,989.44/1,019,508.64
  6. Step 6: Final answer
    x = 781,992.86

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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.