Home / 826,182.05-1,140,172.70-516,271.82

Finding the Fourth Proportional to 826,182.05, 1,140,172.70 and 516,271.82

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Solution

The fourth proportional to 826,182.05, 1,140,172.70 and 516,271.82 is: 712,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,182.05 : 1,140,172.70 = 516,271.82 : x
  2. Step 2: Convert to fraction form
    826,182.05/1,140,172.70 = 516,271.82/x
  3. Step 3: Cross multiply
    826,182.05x = 1,140,172.70 × 516,271.82
  4. Step 4: Simplify right side
    826,182.05x = 588,639,026,661.09
  5. Step 5: Solve for x
    x = 588,639,026,661.09/826,182.05
  6. Step 6: Final answer
    x = 712,481.02

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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.