Home / 1,636,754.65-2,258,791.52-911,602.55

Finding the Fourth Proportional to 1,636,754.65, 2,258,791.52 and 911,602.55

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Solution

The fourth proportional to 1,636,754.65, 2,258,791.52 and 911,602.55 is: 1,258,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,754.65 : 2,258,791.52 = 911,602.55 : x
  2. Step 2: Convert to fraction form
    1,636,754.65/2,258,791.52 = 911,602.55/x
  3. Step 3: Cross multiply
    1,636,754.65x = 2,258,791.52 × 911,602.55
  4. Step 4: Simplify right side
    1,636,754.65x = 2,059,120,109,550.38
  5. Step 5: Solve for x
    x = 2,059,120,109,550.38/1,636,754.65
  6. Step 6: Final answer
    x = 1,258,050.56

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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.