Home / 709,027.70-1,060,949.55-522,403.70

Finding the Fourth Proportional to 709,027.70, 1,060,949.55 and 522,403.70

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Solution

The fourth proportional to 709,027.70, 1,060,949.55 and 522,403.70 is: 781,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,027.70 : 1,060,949.55 = 522,403.70 : x
  2. Step 2: Convert to fraction form
    709,027.70/1,060,949.55 = 522,403.70/x
  3. Step 3: Cross multiply
    709,027.70x = 1,060,949.55 × 522,403.70
  4. Step 4: Simplify right side
    709,027.70x = 554,243,970,433.34
  5. Step 5: Solve for x
    x = 554,243,970,433.34/709,027.70
  6. Step 6: Final answer
    x = 781,695.79

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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.