Home / 1,206,935.88-1,665,564.54-663,059.88

Finding the Fourth Proportional to 1,206,935.88, 1,665,564.54 and 663,059.88

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Solution

The fourth proportional to 1,206,935.88, 1,665,564.54 and 663,059.88 is: 915,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,935.88 : 1,665,564.54 = 663,059.88 : x
  2. Step 2: Convert to fraction form
    1,206,935.88/1,665,564.54 = 663,059.88/x
  3. Step 3: Cross multiply
    1,206,935.88x = 1,665,564.54 × 663,059.88
  4. Step 4: Simplify right side
    1,206,935.88x = 1,104,369,024,024.66
  5. Step 5: Solve for x
    x = 1,104,369,024,024.66/1,206,935.88
  6. Step 6: Final answer
    x = 915,018.80

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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.