Home / 1,678,335.98-2,316,103.90-914,389.55

Finding the Fourth Proportional to 1,678,335.98, 2,316,103.90 and 914,389.55

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Solution

The fourth proportional to 1,678,335.98, 2,316,103.90 and 914,389.55 is: 1,261,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,335.98 : 2,316,103.90 = 914,389.55 : x
  2. Step 2: Convert to fraction form
    1,678,335.98/2,316,103.90 = 914,389.55/x
  3. Step 3: Cross multiply
    1,678,335.98x = 2,316,103.90 × 914,389.55
  4. Step 4: Simplify right side
    1,678,335.98x = 2,117,821,202,874.25
  5. Step 5: Solve for x
    x = 2,117,821,202,874.25/1,678,335.98
  6. Step 6: Final answer
    x = 1,261,857.71

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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.