Home / 1,167,810.89-1,611,579.31-658,513.40

Finding the Fourth Proportional to 1,167,810.89, 1,611,579.31 and 658,513.40

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Solution

The fourth proportional to 1,167,810.89, 1,611,579.31 and 658,513.40 is: 908,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,810.89 : 1,611,579.31 = 658,513.40 : x
  2. Step 2: Convert to fraction form
    1,167,810.89/1,611,579.31 = 658,513.40/x
  3. Step 3: Cross multiply
    1,167,810.89x = 1,611,579.31 × 658,513.40
  4. Step 4: Simplify right side
    1,167,810.89x = 1,061,246,561,093.57
  5. Step 5: Solve for x
    x = 1,061,246,561,093.57/1,167,810.89
  6. Step 6: Final answer
    x = 908,748.65

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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.