Home / 1,173,166.11-1,618,969.23-636,622.11

Finding the Fourth Proportional to 1,173,166.11, 1,618,969.23 and 636,622.11

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Solution

The fourth proportional to 1,173,166.11, 1,618,969.23 and 636,622.11 is: 878,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,166.11 : 1,618,969.23 = 636,622.11 : x
  2. Step 2: Convert to fraction form
    1,173,166.11/1,618,969.23 = 636,622.11/x
  3. Step 3: Cross multiply
    1,173,166.11x = 1,618,969.23 × 636,622.11
  4. Step 4: Simplify right side
    1,173,166.11x = 1,030,671,607,227.68
  5. Step 5: Solve for x
    x = 1,030,671,607,227.68/1,173,166.11
  6. Step 6: Final answer
    x = 878,538.51

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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.