Home / 629,947.60-944,921.40-551,215.60

Finding the Fourth Proportional to 629,947.60, 944,921.40 and 551,215.60

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Solution

The fourth proportional to 629,947.60, 944,921.40 and 551,215.60 is: 826,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,947.60 : 944,921.40 = 551,215.60 : x
  2. Step 2: Convert to fraction form
    629,947.60/944,921.40 = 551,215.60/x
  3. Step 3: Cross multiply
    629,947.60x = 944,921.40 × 551,215.60
  4. Step 4: Simplify right side
    629,947.60x = 520,855,416,453.84
  5. Step 5: Solve for x
    x = 520,855,416,453.84/629,947.60
  6. Step 6: Final answer
    x = 826,823.40

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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.