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Finding the Fourth Proportional to 1,199,174.76, 1,799,694.86 and 836,992.71

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Solution

The fourth proportional to 1,199,174.76, 1,799,694.86 and 836,992.71 is: 1,256,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,174.76 : 1,799,694.86 = 836,992.71 : x
  2. Step 2: Convert to fraction form
    1,199,174.76/1,799,694.86 = 836,992.71/x
  3. Step 3: Cross multiply
    1,199,174.76x = 1,799,694.86 × 836,992.71
  4. Step 4: Simplify right side
    1,199,174.76x = 1,506,331,473,859.51
  5. Step 5: Solve for x
    x = 1,506,331,473,859.51/1,199,174.76
  6. Step 6: Final answer
    x = 1,256,140.08

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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.