Home / 1,163,272.38-1,605,318.39-653,978.94

Finding the Fourth Proportional to 1,163,272.38, 1,605,318.39 and 653,978.94

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Solution

The fourth proportional to 1,163,272.38, 1,605,318.39 and 653,978.94 is: 902,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,272.38 : 1,605,318.39 = 653,978.94 : x
  2. Step 2: Convert to fraction form
    1,163,272.38/1,605,318.39 = 653,978.94/x
  3. Step 3: Cross multiply
    1,163,272.38x = 1,605,318.39 × 653,978.94
  4. Step 4: Simplify right side
    1,163,272.38x = 1,049,844,419,054.71
  5. Step 5: Solve for x
    x = 1,049,844,419,054.71/1,163,272.38
  6. Step 6: Final answer
    x = 902,492.35

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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.