Home / 983,219.27-1,356,971.91-553,583.12

Finding the Fourth Proportional to 983,219.27, 1,356,971.91 and 553,583.12

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Solution

The fourth proportional to 983,219.27, 1,356,971.91 and 553,583.12 is: 764,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,219.27 : 1,356,971.91 = 553,583.12 : x
  2. Step 2: Convert to fraction form
    983,219.27/1,356,971.91 = 553,583.12/x
  3. Step 3: Cross multiply
    983,219.27x = 1,356,971.91 × 553,583.12
  4. Step 4: Simplify right side
    983,219.27x = 751,196,734,137.38
  5. Step 5: Solve for x
    x = 751,196,734,137.38/983,219.27
  6. Step 6: Final answer
    x = 764,017.51

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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.