Home / 1,172,767.22-1,618,329.36-656,402.86

Finding the Fourth Proportional to 1,172,767.22, 1,618,329.36 and 656,402.86

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Solution

The fourth proportional to 1,172,767.22, 1,618,329.36 and 656,402.86 is: 905,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,767.22 : 1,618,329.36 = 656,402.86 : x
  2. Step 2: Convert to fraction form
    1,172,767.22/1,618,329.36 = 656,402.86/x
  3. Step 3: Cross multiply
    1,172,767.22x = 1,618,329.36 × 656,402.86
  4. Step 4: Simplify right side
    1,172,767.22x = 1,062,276,012,015.02
  5. Step 5: Solve for x
    x = 1,062,276,012,015.02/1,172,767.22
  6. Step 6: Final answer
    x = 905,785.90

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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.