Home / 1,991,712.64-2,987,569.60-662,016.64

Finding the Fourth Proportional to 1,991,712.64, 2,987,569.60 and 662,016.64

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Solution

The fourth proportional to 1,991,712.64, 2,987,569.60 and 662,016.64 is: 993,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,712.64 : 2,987,569.60 = 662,016.64 : x
  2. Step 2: Convert to fraction form
    1,991,712.64/2,987,569.60 = 662,016.64/x
  3. Step 3: Cross multiply
    1,991,712.64x = 2,987,569.60 × 662,016.64
  4. Step 4: Simplify right side
    1,991,712.64x = 1,977,820,788,358.14
  5. Step 5: Solve for x
    x = 1,977,820,788,358.14/1,991,712.64
  6. Step 6: Final answer
    x = 993,025.17

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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.