Home / 853,559.42-1,176,543.94-577,830.33

Finding the Fourth Proportional to 853,559.42, 1,176,543.94 and 577,830.33

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Solution

The fourth proportional to 853,559.42, 1,176,543.94 and 577,830.33 is: 796,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,559.42 : 1,176,543.94 = 577,830.33 : x
  2. Step 2: Convert to fraction form
    853,559.42/1,176,543.94 = 577,830.33/x
  3. Step 3: Cross multiply
    853,559.42x = 1,176,543.94 × 577,830.33
  4. Step 4: Simplify right side
    853,559.42x = 679,842,773,109.70
  5. Step 5: Solve for x
    x = 679,842,773,109.70/853,559.42
  6. Step 6: Final answer
    x = 796,479.73

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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.