Home / 851,690.54-1,175,036.14-545,935.50

Finding the Fourth Proportional to 851,690.54, 1,175,036.14 and 545,935.50

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Solution

The fourth proportional to 851,690.54, 1,175,036.14 and 545,935.50 is: 753,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,690.54 : 1,175,036.14 = 545,935.50 : x
  2. Step 2: Convert to fraction form
    851,690.54/1,175,036.14 = 545,935.50/x
  3. Step 3: Cross multiply
    851,690.54x = 1,175,036.14 × 545,935.50
  4. Step 4: Simplify right side
    851,690.54x = 641,493,942,608.97
  5. Step 5: Solve for x
    x = 641,493,942,608.97/851,690.54
  6. Step 6: Final answer
    x = 753,200.74

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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.