Home / 1,675,515.78-2,312,201.25-911,572.74

Finding the Fourth Proportional to 1,675,515.78, 2,312,201.25 and 911,572.74

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Solution

The fourth proportional to 1,675,515.78, 2,312,201.25 and 911,572.74 is: 1,257,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,515.78 : 2,312,201.25 = 911,572.74 : x
  2. Step 2: Convert to fraction form
    1,675,515.78/2,312,201.25 = 911,572.74/x
  3. Step 3: Cross multiply
    1,675,515.78x = 2,312,201.25 × 911,572.74
  4. Step 4: Simplify right side
    1,675,515.78x = 2,107,739,628,893.93
  5. Step 5: Solve for x
    x = 2,107,739,628,893.93/1,675,515.78
  6. Step 6: Final answer
    x = 1,257,964.65

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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.