Home / 826,155.54-1,140,821.68-516,588.66

Finding the Fourth Proportional to 826,155.54, 1,140,821.68 and 516,588.66

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Solution

The fourth proportional to 826,155.54, 1,140,821.68 and 516,588.66 is: 713,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,155.54 : 1,140,821.68 = 516,588.66 : x
  2. Step 2: Convert to fraction form
    826,155.54/1,140,821.68 = 516,588.66/x
  3. Step 3: Cross multiply
    826,155.54x = 1,140,821.68 × 516,588.66
  4. Step 4: Simplify right side
    826,155.54x = 589,335,542,970.15
  5. Step 5: Solve for x
    x = 589,335,542,970.15/826,155.54
  6. Step 6: Final answer
    x = 713,346.96

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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.