Home / 1,172,707.17-1,618,339.01-636,163.17

Finding the Fourth Proportional to 1,172,707.17, 1,618,339.01 and 636,163.17

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Solution

The fourth proportional to 1,172,707.17, 1,618,339.01 and 636,163.17 is: 877,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,707.17 : 1,618,339.01 = 636,163.17 : x
  2. Step 2: Convert to fraction form
    1,172,707.17/1,618,339.01 = 636,163.17/x
  3. Step 3: Cross multiply
    1,172,707.17x = 1,618,339.01 × 636,163.17
  4. Step 4: Simplify right side
    1,172,707.17x = 1,029,527,671,555.45
  5. Step 5: Solve for x
    x = 1,029,527,671,555.45/1,172,707.17
  6. Step 6: Final answer
    x = 877,906.86

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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.