Home / 1,172,500.38-1,616,765.58-763,844.40

Finding the Fourth Proportional to 1,172,500.38, 1,616,765.58 and 763,844.40

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Solution

The fourth proportional to 1,172,500.38, 1,616,765.58 and 763,844.40 is: 1,053,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,500.38 : 1,616,765.58 = 763,844.40 : x
  2. Step 2: Convert to fraction form
    1,172,500.38/1,616,765.58 = 763,844.40/x
  3. Step 3: Cross multiply
    1,172,500.38x = 1,616,765.58 × 763,844.40
  4. Step 4: Simplify right side
    1,172,500.38x = 1,234,957,334,395.75
  5. Step 5: Solve for x
    x = 1,234,957,334,395.75/1,172,500.38
  6. Step 6: Final answer
    x = 1,053,268.17

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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.