Home / 755,555.10-1,133,332.65-711,231.90

Finding the Fourth Proportional to 755,555.10, 1,133,332.65 and 711,231.90

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Solution

The fourth proportional to 755,555.10, 1,133,332.65 and 711,231.90 is: 1,066,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,555.10 : 1,133,332.65 = 711,231.90 : x
  2. Step 2: Convert to fraction form
    755,555.10/1,133,332.65 = 711,231.90/x
  3. Step 3: Cross multiply
    755,555.10x = 1,133,332.65 × 711,231.90
  4. Step 4: Simplify right side
    755,555.10x = 806,062,333,991.54
  5. Step 5: Solve for x
    x = 806,062,333,991.54/755,555.10
  6. Step 6: Final answer
    x = 1,066,847.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.