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Finding the Fourth Proportional to 976,158.12, 1,346,403.80 and 895,845

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Solution

The fourth proportional to 976,158.12, 1,346,403.80 and 895,845 is: 1,235,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,158.12 : 1,346,403.80 = 895,845 : x
  2. Step 2: Convert to fraction form
    976,158.12/1,346,403.80 = 895,845/x
  3. Step 3: Cross multiply
    976,158.12x = 1,346,403.80 × 895,845
  4. Step 4: Simplify right side
    976,158.12x = 1,206,169,112,211
  5. Step 5: Solve for x
    x = 1,206,169,112,211/976,158.12
  6. Step 6: Final answer
    x = 1,235,628.83

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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.