Home / 853,187.58-1,177,350.39-490,553.82

Finding the Fourth Proportional to 853,187.58, 1,177,350.39 and 490,553.82

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Solution

The fourth proportional to 853,187.58, 1,177,350.39 and 490,553.82 is: 676,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,187.58 : 1,177,350.39 = 490,553.82 : x
  2. Step 2: Convert to fraction form
    853,187.58/1,177,350.39 = 490,553.82/x
  3. Step 3: Cross multiply
    853,187.58x = 1,177,350.39 × 490,553.82
  4. Step 4: Simplify right side
    853,187.58x = 577,553,731,292.99
  5. Step 5: Solve for x
    x = 577,553,731,292.99/853,187.58
  6. Step 6: Final answer
    x = 676,936.40

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1.5x scale

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.