Home / 851,688.79-1,175,033.72-545,933.77

Finding the Fourth Proportional to 851,688.79, 1,175,033.72 and 545,933.77

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Solution

The fourth proportional to 851,688.79, 1,175,033.72 and 545,933.77 is: 753,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,688.79 : 1,175,033.72 = 545,933.77 : x
  2. Step 2: Convert to fraction form
    851,688.79/1,175,033.72 = 545,933.77/x
  3. Step 3: Cross multiply
    851,688.79x = 1,175,033.72 × 545,933.77
  4. Step 4: Simplify right side
    851,688.79x = 641,490,587,063.97
  5. Step 5: Solve for x
    x = 641,490,587,063.97/851,688.79
  6. Step 6: Final answer
    x = 753,198.35

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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.