Home / 1,675,551.61-2,312,284.89-911,605.78

Finding the Fourth Proportional to 1,675,551.61, 2,312,284.89 and 911,605.78

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Solution

The fourth proportional to 1,675,551.61, 2,312,284.89 and 911,605.78 is: 1,258,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,551.61 : 2,312,284.89 = 911,605.78 : x
  2. Step 2: Convert to fraction form
    1,675,551.61/2,312,284.89 = 911,605.78/x
  3. Step 3: Cross multiply
    1,675,551.61x = 2,312,284.89 × 911,605.78
  4. Step 4: Simplify right side
    1,675,551.61x = 2,107,892,270,730.66
  5. Step 5: Solve for x
    x = 2,107,892,270,730.66/1,675,551.61
  6. Step 6: Final answer
    x = 1,258,028.85

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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.