Home / 826,171.79-1,140,844.10-516,604.91

Finding the Fourth Proportional to 826,171.79, 1,140,844.10 and 516,604.91

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Solution

The fourth proportional to 826,171.79, 1,140,844.10 and 516,604.91 is: 713,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,171.79 : 1,140,844.10 = 516,604.91 : x
  2. Step 2: Convert to fraction form
    826,171.79/1,140,844.10 = 516,604.91/x
  3. Step 3: Cross multiply
    826,171.79x = 1,140,844.10 × 516,604.91
  4. Step 4: Simplify right side
    826,171.79x = 589,365,655,317.29
  5. Step 5: Solve for x
    x = 589,365,655,317.29/826,171.79
  6. Step 6: Final answer
    x = 713,369.38

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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.