Home / 976,005.09-1,346,695.61-613,218.76

Finding the Fourth Proportional to 976,005.09, 1,346,695.61 and 613,218.76

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Solution

The fourth proportional to 976,005.09, 1,346,695.61 and 613,218.76 is: 846,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,005.09 : 1,346,695.61 = 613,218.76 : x
  2. Step 2: Convert to fraction form
    976,005.09/1,346,695.61 = 613,218.76/x
  3. Step 3: Cross multiply
    976,005.09x = 1,346,695.61 × 613,218.76
  4. Step 4: Simplify right side
    976,005.09x = 825,819,012,061.64
  5. Step 5: Solve for x
    x = 825,819,012,061.64/976,005.09
  6. Step 6: Final answer
    x = 846,121.63

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Double scale
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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.