Home / 1,691,115.71-2,537,087.87-553,938.89

Finding the Fourth Proportional to 1,691,115.71, 2,537,087.87 and 553,938.89

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Solution

The fourth proportional to 1,691,115.71, 2,537,087.87 and 553,938.89 is: 831,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,115.71 : 2,537,087.87 = 553,938.89 : x
  2. Step 2: Convert to fraction form
    1,691,115.71/2,537,087.87 = 553,938.89/x
  3. Step 3: Cross multiply
    1,691,115.71x = 2,537,087.87 × 553,938.89
  4. Step 4: Simplify right side
    1,691,115.71x = 1,405,391,627,239.67
  5. Step 5: Solve for x
    x = 1,405,391,627,239.67/1,691,115.71
  6. Step 6: Final answer
    x = 831,044.04

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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.