Home / 1,172,708.17-1,618,340.39-636,164.17

Finding the Fourth Proportional to 1,172,708.17, 1,618,340.39 and 636,164.17

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Solution

The fourth proportional to 1,172,708.17, 1,618,340.39 and 636,164.17 is: 877,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,708.17 : 1,618,340.39 = 636,164.17 : x
  2. Step 2: Convert to fraction form
    1,172,708.17/1,618,340.39 = 636,164.17/x
  3. Step 3: Cross multiply
    1,172,708.17x = 1,618,340.39 × 636,164.17
  4. Step 4: Simplify right side
    1,172,708.17x = 1,029,530,170,981.83
  5. Step 5: Solve for x
    x = 1,029,530,170,981.83/1,172,708.17
  6. Step 6: Final answer
    x = 877,908.24

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Double scale
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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.