Home / 1,261,010.61-1,891,376.19-451,362.69

Finding the Fourth Proportional to 1,261,010.61, 1,891,376.19 and 451,362.69

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Solution

The fourth proportional to 1,261,010.61, 1,891,376.19 and 451,362.69 is: 676,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,010.61 : 1,891,376.19 = 451,362.69 : x
  2. Step 2: Convert to fraction form
    1,261,010.61/1,891,376.19 = 451,362.69/x
  3. Step 3: Cross multiply
    1,261,010.61x = 1,891,376.19 × 451,362.69
  4. Step 4: Simplify right side
    1,261,010.61x = 853,696,644,920.35
  5. Step 5: Solve for x
    x = 853,696,644,920.35/1,261,010.61
  6. Step 6: Final answer
    x = 676,994.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.