Home / 869,542.43-1,199,967.45-482,416.58

Finding the Fourth Proportional to 869,542.43, 1,199,967.45 and 482,416.58

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Solution

The fourth proportional to 869,542.43, 1,199,967.45 and 482,416.58 is: 665,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,542.43 : 1,199,967.45 = 482,416.58 : x
  2. Step 2: Convert to fraction form
    869,542.43/1,199,967.45 = 482,416.58/x
  3. Step 3: Cross multiply
    869,542.43x = 1,199,967.45 × 482,416.58
  4. Step 4: Simplify right side
    869,542.43x = 578,884,193,340.32
  5. Step 5: Solve for x
    x = 578,884,193,340.32/869,542.43
  6. Step 6: Final answer
    x = 665,734.27

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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.