Home / 986,317.76-1,479,944.66-683,178.05

Finding the Fourth Proportional to 986,317.76, 1,479,944.66 and 683,178.05

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Solution

The fourth proportional to 986,317.76, 1,479,944.66 and 683,178.05 is: 1,025,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,317.76 : 1,479,944.66 = 683,178.05 : x
  2. Step 2: Convert to fraction form
    986,317.76/1,479,944.66 = 683,178.05/x
  3. Step 3: Cross multiply
    986,317.76x = 1,479,944.66 × 683,178.05
  4. Step 4: Simplify right side
    986,317.76x = 1,011,065,696,111.10
  5. Step 5: Solve for x
    x = 1,011,065,696,111.10/986,317.76
  6. Step 6: Final answer
    x = 1,025,091.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.