Home / 1,675,566.82-2,312,213.61-911,621.14

Finding the Fourth Proportional to 1,675,566.82, 2,312,213.61 and 911,621.14

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Solution

The fourth proportional to 1,675,566.82, 2,312,213.61 and 911,621.14 is: 1,257,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,566.82 : 2,312,213.61 = 911,621.14 : x
  2. Step 2: Convert to fraction form
    1,675,566.82/2,312,213.61 = 911,621.14/x
  3. Step 3: Cross multiply
    1,675,566.82x = 2,312,213.61 × 911,621.14
  4. Step 4: Simplify right side
    1,675,566.82x = 2,107,862,807,071.72
  5. Step 5: Solve for x
    x = 2,107,862,807,071.72/1,675,566.82
  6. Step 6: Final answer
    x = 1,257,999.85

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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.