Home / 826,211.68-1,140,181.30-458,713.86

Finding the Fourth Proportional to 826,211.68, 1,140,181.30 and 458,713.86

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Solution

The fourth proportional to 826,211.68, 1,140,181.30 and 458,713.86 is: 633,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,211.68 : 1,140,181.30 = 458,713.86 : x
  2. Step 2: Convert to fraction form
    826,211.68/1,140,181.30 = 458,713.86/x
  3. Step 3: Cross multiply
    826,211.68x = 1,140,181.30 × 458,713.86
  4. Step 4: Simplify right side
    826,211.68x = 523,016,965,222.82
  5. Step 5: Solve for x
    x = 523,016,965,222.82/826,211.68
  6. Step 6: Final answer
    x = 633,030.22

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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.