Home / 821,826.20-1,230,665.70-655,938.20

Finding the Fourth Proportional to 821,826.20, 1,230,665.70 and 655,938.20

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Solution

The fourth proportional to 821,826.20, 1,230,665.70 and 655,938.20 is: 982,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,826.20 : 1,230,665.70 = 655,938.20 : x
  2. Step 2: Convert to fraction form
    821,826.20/1,230,665.70 = 655,938.20/x
  3. Step 3: Cross multiply
    821,826.20x = 1,230,665.70 × 655,938.20
  4. Step 4: Simplify right side
    821,826.20x = 807,240,644,059.74
  5. Step 5: Solve for x
    x = 807,240,644,059.74/821,826.20
  6. Step 6: Final answer
    x = 982,252.26

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1.5x scale

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.