Home / 1,275,983.89-1,760,841.51-695,231.20

Finding the Fourth Proportional to 1,275,983.89, 1,760,841.51 and 695,231.20

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Solution

The fourth proportional to 1,275,983.89, 1,760,841.51 and 695,231.20 is: 959,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,983.89 : 1,760,841.51 = 695,231.20 : x
  2. Step 2: Convert to fraction form
    1,275,983.89/1,760,841.51 = 695,231.20/x
  3. Step 3: Cross multiply
    1,275,983.89x = 1,760,841.51 × 695,231.20
  4. Step 4: Simplify right side
    1,275,983.89x = 1,224,191,956,007.11
  5. Step 5: Solve for x
    x = 1,224,191,956,007.11/1,275,983.89
  6. Step 6: Final answer
    x = 959,410.20

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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.