Home / 1,102,536.69-1,651,393.85-781,716.10

Finding the Fourth Proportional to 1,102,536.69, 1,651,393.85 and 781,716.10

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Solution

The fourth proportional to 1,102,536.69, 1,651,393.85 and 781,716.10 is: 1,170,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,536.69 : 1,651,393.85 = 781,716.10 : x
  2. Step 2: Convert to fraction form
    1,102,536.69/1,651,393.85 = 781,716.10/x
  3. Step 3: Cross multiply
    1,102,536.69x = 1,651,393.85 × 781,716.10
  4. Step 4: Simplify right side
    1,102,536.69x = 1,290,921,157,811.79
  5. Step 5: Solve for x
    x = 1,290,921,157,811.79/1,102,536.69
  6. Step 6: Final answer
    x = 1,170,864.58

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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.