Home / 853,474.52-1,177,876.32-466,348.79

Finding the Fourth Proportional to 853,474.52, 1,177,876.32 and 466,348.79

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Solution

The fourth proportional to 853,474.52, 1,177,876.32 and 466,348.79 is: 643,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,474.52 : 1,177,876.32 = 466,348.79 : x
  2. Step 2: Convert to fraction form
    853,474.52/1,177,876.32 = 466,348.79/x
  3. Step 3: Cross multiply
    853,474.52x = 1,177,876.32 × 466,348.79
  4. Step 4: Simplify right side
    853,474.52x = 549,301,197,797.54
  5. Step 5: Solve for x
    x = 549,301,197,797.54/853,474.52
  6. Step 6: Final answer
    x = 643,605.85

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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.