Home / 824,510.40-1,236,765.60-682,792.80

Finding the Fourth Proportional to 824,510.40, 1,236,765.60 and 682,792.80

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Solution

The fourth proportional to 824,510.40, 1,236,765.60 and 682,792.80 is: 1,024,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,510.40 : 1,236,765.60 = 682,792.80 : x
  2. Step 2: Convert to fraction form
    824,510.40/1,236,765.60 = 682,792.80/x
  3. Step 3: Cross multiply
    824,510.40x = 1,236,765.60 × 682,792.80
  4. Step 4: Simplify right side
    824,510.40x = 844,454,646,967.68
  5. Step 5: Solve for x
    x = 844,454,646,967.68/824,510.40
  6. Step 6: Final answer
    x = 1,024,189.20

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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.