Home / 824,947.20-1,237,420.80-683,229.60

Finding the Fourth Proportional to 824,947.20, 1,237,420.80 and 683,229.60

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Solution

The fourth proportional to 824,947.20, 1,237,420.80 and 683,229.60 is: 1,024,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,947.20 : 1,237,420.80 = 683,229.60 : x
  2. Step 2: Convert to fraction form
    824,947.20/1,237,420.80 = 683,229.60/x
  3. Step 3: Cross multiply
    824,947.20x = 1,237,420.80 × 683,229.60
  4. Step 4: Simplify right side
    824,947.20x = 845,442,518,215.68
  5. Step 5: Solve for x
    x = 845,442,518,215.68/824,947.20
  6. Step 6: Final answer
    x = 1,024,844.40

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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.