Home / 864,980.49-1,183,299.43-861,337.25

Finding the Fourth Proportional to 864,980.49, 1,183,299.43 and 861,337.25

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Solution

The fourth proportional to 864,980.49, 1,183,299.43 and 861,337.25 is: 1,178,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,980.49 : 1,183,299.43 = 861,337.25 : x
  2. Step 2: Convert to fraction form
    864,980.49/1,183,299.43 = 861,337.25/x
  3. Step 3: Cross multiply
    864,980.49x = 1,183,299.43 × 861,337.25
  4. Step 4: Simplify right side
    864,980.49x = 1,019,219,884,529.54
  5. Step 5: Solve for x
    x = 1,019,219,884,529.54/864,980.49
  6. Step 6: Final answer
    x = 1,178,315.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.