Home / 824,804.20-1,235,132.70-658,916.20

Finding the Fourth Proportional to 824,804.20, 1,235,132.70 and 658,916.20

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Solution

The fourth proportional to 824,804.20, 1,235,132.70 and 658,916.20 is: 986,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,804.20 : 1,235,132.70 = 658,916.20 : x
  2. Step 2: Convert to fraction form
    824,804.20/1,235,132.70 = 658,916.20/x
  3. Step 3: Cross multiply
    824,804.20x = 1,235,132.70 × 658,916.20
  4. Step 4: Simplify right side
    824,804.20x = 813,848,945,179.74
  5. Step 5: Solve for x
    x = 813,848,945,179.74/824,804.20
  6. Step 6: Final answer
    x = 986,717.75

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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.