Home / 976,000.43-1,345,054.94-703,604.11

Finding the Fourth Proportional to 976,000.43, 1,345,054.94 and 703,604.11

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Solution

The fourth proportional to 976,000.43, 1,345,054.94 and 703,604.11 is: 969,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,000.43 : 1,345,054.94 = 703,604.11 : x
  2. Step 2: Convert to fraction form
    976,000.43/1,345,054.94 = 703,604.11/x
  3. Step 3: Cross multiply
    976,000.43x = 1,345,054.94 × 703,604.11
  4. Step 4: Simplify right side
    976,000.43x = 946,386,183,959.80
  5. Step 5: Solve for x
    x = 946,386,183,959.80/976,000.43
  6. Step 6: Final answer
    x = 969,657.55

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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.