Home / 798,579.86-1,102,011.27-435,997.04

Finding the Fourth Proportional to 798,579.86, 1,102,011.27 and 435,997.04

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Solution

The fourth proportional to 798,579.86, 1,102,011.27 and 435,997.04 is: 601,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,579.86 : 1,102,011.27 = 435,997.04 : x
  2. Step 2: Convert to fraction form
    798,579.86/1,102,011.27 = 435,997.04/x
  3. Step 3: Cross multiply
    798,579.86x = 1,102,011.27 × 435,997.04
  4. Step 4: Simplify right side
    798,579.86x = 480,473,651,766.64
  5. Step 5: Solve for x
    x = 480,473,651,766.64/798,579.86
  6. Step 6: Final answer
    x = 601,660.12

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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.