Home / 826,205.67-1,140,173.01-458,707.86

Finding the Fourth Proportional to 826,205.67, 1,140,173.01 and 458,707.86

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Solution

The fourth proportional to 826,205.67, 1,140,173.01 and 458,707.86 is: 633,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,205.67 : 1,140,173.01 = 458,707.86 : x
  2. Step 2: Convert to fraction form
    826,205.67/1,140,173.01 = 458,707.86/x
  3. Step 3: Cross multiply
    826,205.67x = 1,140,173.01 × 458,707.86
  4. Step 4: Simplify right side
    826,205.67x = 523,006,321,446.86
  5. Step 5: Solve for x
    x = 523,006,321,446.86/826,205.67
  6. Step 6: Final answer
    x = 633,021.95

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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.