Home / 853,558.42-1,176,542.57-577,829.33

Finding the Fourth Proportional to 853,558.42, 1,176,542.57 and 577,829.33

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Solution

The fourth proportional to 853,558.42, 1,176,542.57 and 577,829.33 is: 796,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,558.42 : 1,176,542.57 = 577,829.33 : x
  2. Step 2: Convert to fraction form
    853,558.42/1,176,542.57 = 577,829.33/x
  3. Step 3: Cross multiply
    853,558.42x = 1,176,542.57 × 577,829.33
  4. Step 4: Simplify right side
    853,558.42x = 679,840,796,167.72
  5. Step 5: Solve for x
    x = 679,840,796,167.72/853,558.42
  6. Step 6: Final answer
    x = 796,478.34

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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.