Home / 1,750,776.81-2,626,394.85-685,680.45

Finding the Fourth Proportional to 1,750,776.81, 2,626,394.85 and 685,680.45

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Solution

The fourth proportional to 1,750,776.81, 2,626,394.85 and 685,680.45 is: 1,028,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,776.81 : 2,626,394.85 = 685,680.45 : x
  2. Step 2: Convert to fraction form
    1,750,776.81/2,626,394.85 = 685,680.45/x
  3. Step 3: Cross multiply
    1,750,776.81x = 2,626,394.85 × 685,680.45
  4. Step 4: Simplify right side
    1,750,776.81x = 1,800,867,602,625.68
  5. Step 5: Solve for x
    x = 1,800,867,602,625.68/1,750,776.81
  6. Step 6: Final answer
    x = 1,028,610.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.