Home / 826,210.68-1,140,179.92-458,712.86

Finding the Fourth Proportional to 826,210.68, 1,140,179.92 and 458,712.86

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Solution

The fourth proportional to 826,210.68, 1,140,179.92 and 458,712.86 is: 633,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,210.68 : 1,140,179.92 = 458,712.86 : x
  2. Step 2: Convert to fraction form
    826,210.68/1,140,179.92 = 458,712.86/x
  3. Step 3: Cross multiply
    826,210.68x = 1,140,179.92 × 458,712.86
  4. Step 4: Simplify right side
    826,210.68x = 523,015,192,017.77
  5. Step 5: Solve for x
    x = 523,015,192,017.77/826,210.68
  6. Step 6: Final answer
    x = 633,028.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.