Home / 1,751,978.32-2,417,662.20-977,568.90

Finding the Fourth Proportional to 1,751,978.32, 2,417,662.20 and 977,568.90

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Solution

The fourth proportional to 1,751,978.32, 2,417,662.20 and 977,568.90 is: 1,349,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,978.32 : 2,417,662.20 = 977,568.90 : x
  2. Step 2: Convert to fraction form
    1,751,978.32/2,417,662.20 = 977,568.90/x
  3. Step 3: Cross multiply
    1,751,978.32x = 2,417,662.20 × 977,568.90
  4. Step 4: Simplify right side
    1,751,978.32x = 2,363,431,377,425.58
  5. Step 5: Solve for x
    x = 2,363,431,377,425.58/1,751,978.32
  6. Step 6: Final answer
    x = 1,349,007.21

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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.