Home / 1,776,720-2,451,873.60-971,921.28

Finding the Fourth Proportional to 1,776,720, 2,451,873.60 and 971,921.28

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Solution

The fourth proportional to 1,776,720, 2,451,873.60 and 971,921.28 is: 1,341,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,720 : 2,451,873.60 = 971,921.28 : x
  2. Step 2: Convert to fraction form
    1,776,720/2,451,873.60 = 971,921.28/x
  3. Step 3: Cross multiply
    1,776,720x = 2,451,873.60 × 971,921.28
  4. Step 4: Simplify right side
    1,776,720x = 2,383,028,127,710.21
  5. Step 5: Solve for x
    x = 2,383,028,127,710.21/1,776,720
  6. Step 6: Final answer
    x = 1,341,251.37

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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.