Home / 1,173,113.73-1,618,891.25-636,569.73

Finding the Fourth Proportional to 1,173,113.73, 1,618,891.25 and 636,569.73

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Solution

The fourth proportional to 1,173,113.73, 1,618,891.25 and 636,569.73 is: 878,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,113.73 : 1,618,891.25 = 636,569.73 : x
  2. Step 2: Convert to fraction form
    1,173,113.73/1,618,891.25 = 636,569.73/x
  3. Step 3: Cross multiply
    1,173,113.73x = 1,618,891.25 × 636,569.73
  4. Step 4: Simplify right side
    1,173,113.73x = 1,030,537,162,729.01
  5. Step 5: Solve for x
    x = 1,030,537,162,729.01/1,173,113.73
  6. Step 6: Final answer
    x = 878,463.13

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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.