Home / 1,711,707.86-2,568,041.76-687,757.16

Finding the Fourth Proportional to 1,711,707.86, 2,568,041.76 and 687,757.16

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Solution

The fourth proportional to 1,711,707.86, 2,568,041.76 and 687,757.16 is: 1,031,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,707.86 : 2,568,041.76 = 687,757.16 : x
  2. Step 2: Convert to fraction form
    1,711,707.86/2,568,041.76 = 687,757.16/x
  3. Step 3: Cross multiply
    1,711,707.86x = 2,568,041.76 × 687,757.16
  4. Step 4: Simplify right side
    1,711,707.86x = 1,766,189,107,619.00
  5. Step 5: Solve for x
    x = 1,766,189,107,619.00/1,711,707.86
  6. Step 6: Final answer
    x = 1,031,828.59

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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.