Home / 1,174,440.77-1,620,700.69-691,037.23

Finding the Fourth Proportional to 1,174,440.77, 1,620,700.69 and 691,037.23

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Solution

The fourth proportional to 1,174,440.77, 1,620,700.69 and 691,037.23 is: 953,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,440.77 : 1,620,700.69 = 691,037.23 : x
  2. Step 2: Convert to fraction form
    1,174,440.77/1,620,700.69 = 691,037.23/x
  3. Step 3: Cross multiply
    1,174,440.77x = 1,620,700.69 × 691,037.23
  4. Step 4: Simplify right side
    1,174,440.77x = 1,119,964,511,424.94
  5. Step 5: Solve for x
    x = 1,119,964,511,424.94/1,174,440.77
  6. Step 6: Final answer
    x = 953,615.15

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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.