Home / 1,173,184.96-1,618,995.22-636,640.96

Finding the Fourth Proportional to 1,173,184.96, 1,618,995.22 and 636,640.96

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Solution

The fourth proportional to 1,173,184.96, 1,618,995.22 and 636,640.96 is: 878,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,184.96 : 1,618,995.22 = 636,640.96 : x
  2. Step 2: Convert to fraction form
    1,173,184.96/1,618,995.22 = 636,640.96/x
  3. Step 3: Cross multiply
    1,173,184.96x = 1,618,995.22 × 636,640.96
  4. Step 4: Simplify right side
    1,173,184.96x = 1,030,718,671,096.21
  5. Step 5: Solve for x
    x = 1,030,718,671,096.21/1,173,184.96
  6. Step 6: Final answer
    x = 878,564.51

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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.